2018 United States Senate elections

Indiana election
← 2012 2024 →
Incumbent U.S. senator; Joe Donnelly; Democratic	; ;

California election
← 2012 2024 →
Incumbent U.S. senator; Dianne Feinstein; Democratic	; ;

United States Senate elections, 2018
Class 1 (33 of the 100) seats in the United States Senate; (and 2 special elections); 51 seats needed for a majority
	Seats up for election (general & special):; Democratic incumbent running Democratic incumbent retiring; Republican incumbent running Republican incumbent retiring; Independent incumbent running Independent incumbent retiring; No election; Inset rectangle signifies a special election.
Incumbent Majority Leader; Mitch McConnell; Republican	; ;

Elections to the United States Senate will be held November 6, 2018, with 33 of the 100 seats in the Senate being contested in regular elections and two seats being contested in special elections. The winners will serve six-year terms from January 3, 2019, to January 3, 2025. Currently, Democrats have 24 seats up for election, as well as the seats of two independents who caucus with them. Republicans have nine seats up for election. The seats up for regular election in 2018 were last up for election in 2012; in addition, special elections will be scheduled if vacancies occur, as has already happened in Minnesota and Mississippi. After the 2016 elections, some state election officials are trying to upgrade voting systems in time for this election.^[1]

The U.S. House of Representatives elections, 39 gubernatorial elections, and many other state and local elections will also be held on this date.

Republicans can only afford to lose one Senate seat and still have a working majority with the Vice President breaking the tie in their favor. Four of the Republican seats are open as a result of retirements in Tennessee, Utah, Arizona, and Mississippi. Democrats are defending ten seats in states won by Donald Trump in the 2016 presidential election, while Republicans are only defending one seat in a state won by Hillary Clinton in 2016.

Focus on competitive races

Democrats are expected to target the Republican-held Senate seats in Arizona (open seat) and Nevada.^[2] Democrats could also target seats in Texas,^[3] Mississippi (At least one of the two seats) and Tennessee's open-seat.^[4] Republicans are expected to target Democratic-held seats in Indiana, Missouri, Montana, North Dakota, and West Virginia, all of which voted for Mitt Romney in the 2012 presidential election and Donald Trump in the 2016 presidential election,^[5] as well as seats in Florida, Ohio, Pennsylvania, Wisconsin, and Michigan, all of which voted for Donald Trump in the 2016 election.^[6] Republicans could also target seats in Minnesota (at least one of the two seats), Virginia, Maine, and New Jersey.^[2] Other races may also become competitive.

Partisan composition

Among the 33 Class 1 Senate seats up for regular election in 2018 are 23 currently held by Democrats, two by independents who caucus with the Senate Democrats, and eight by Republicans. The Class 2 seats in Minnesota and Mississippi held by interim appointees are also up for election; both incumbent appointees are running in their elections to finish the unexpired terms.

Parties		Democratic	Republican	Independent	Total
Parties		style="background-color:Template:Democratic Party (United States)/meta/color" \|	style="background-color:Template:Republican Party (United States)/meta/color" \|	style="background-color:Template:Independent (United States)/meta/color" \|	Total
Last election (2016)		46	52	2	100
Before this election		47	51	2	100
Not up		23	42	0	65
	Class 2 (2014→2020)	11	20	0	31
	Class 3 (2016→2022)	12	22	0	34
Up		24	9	2	35
	Class 1 (2012→2018)	23	8	2	33
	Special: Class 2	1	1	0	2

Incumbent retiring		0	3	0	3
Incumbent running		24	6	2	32

Change in composition

Before the elections

D₁	D₂	D₃	D₄	D₅	D₆	D₇	D₈	D₉	D₁₀
D₂₀	D₁₉	D₁₈	D₁₇	D₁₆	D₁₅	D₁₄	D₁₃	D₁₂	D₁₁
D₂₁	D₂₂	D₂₃	D₂₄ Running	D₂₅ Running	D₂₆ Running	D₂₇ Running	D₂₈ Running	D₂₉ Running	D₃₀ Running
D₄₀ Running	D₃₉ Running	D₃₈ Running	D₃₇ Running	D₃₆ Running	D₃₅ Running	D₃₄ Running	D₃₃ Running	D₃₂ Running	D₃₁ Running
D₄₁ Running	D₄₂ Running	D₄₃ Running	D₄₄ Running	D₄₅ Running	D₄₆ Running	D₄₇ Running	I₁ Running	I₂ Running	R₅₁ Retiring
Majority →									R₅₀ Retiring
R₄₁	R₄₂	R₄₃ Running	R₄₄ Running	R₄₅ Running	R₄₆ Running	R₄₇ Running	R₄₈ Running	R₄₉ Retiring	R₅₀ Retiring
R₄₀	R₃₉	R₃₈	R₃₇	R₃₆	R₃₅	R₃₄	R₃₃	R₃₂	R₃₁
R₂₁	R₂₂	R₂₃	R₂₄	R₂₅	R₂₆	R₂₇	R₂₈	R₂₉	R₃₀
R₂₀	R₁₉	R₁₈	R₁₇	R₁₆	R₁₅	R₁₄	R₁₃	R₁₂	R₁₁
R₁	R₂	R₃	R₄	R₅	R₆	R₇	R₈	R₉	R₁₀

After the elections

D₁	D₂	D₃	D₄	D₅	D₆	D₇	D₈	D₉	D₁₀
D₂₀	D₁₉	D₁₈	D₁₇	D₁₆	D₁₅	D₁₄	D₁₃	D₁₂	D₁₁
D₂₁	D₂₂	D₂₃	TBD	TBD	TBD	TBD	TBD	TBD	TBD
TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD
TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD
Majority →									TBD
Majority →									TBD
R₄₁	R₄₂	TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD
R₄₀	R₃₉	R₃₈	R₃₇	R₃₆	R₃₅	R₃₄	R₃₃	R₃₂	R₃₁
R₂₁	R₂₂	R₂₃	R₂₄	R₂₅	R₂₆	R₂₇	R₂₈	R₂₉	R₃₀
R₂₀	R₁₉	R₁₈	R₁₇	R₁₆	R₁₅	R₁₄	R₁₃	R₁₂	R₁₁
R₁	R₂	R₃	R₄	R₅	R₆	R₇	R₈	R₉	R₁₀

Key:

D_#	Democratic
R_#	Republican
I_#	Independent, caucusing with Democrats^[7]^[8]

Most recent election predictions

Most election predictors use:

"tossup": no advantage
"tilt" (used sometimes): advantage that is not quite as strong as "lean"
"lean": slight advantage
"likely" or "favored": significant, but surmountable, advantage
"safe" or "solid": near-certain chance of victory.

State	PVI^[9]	Incumbent	Most recent result	Cook Apr 9, 2018^[10]	I.E. Apr 20, 2018^[11]	Sabato June 6, 2018^[12]	NYT June 6, 2018^[13]	CNN May 30, 2018^[14]	RCP Apr 18, 2018^[15]
Arizona	R+5	Jeff Flake (R) (Retiring)	49% R	Tossup	Tossup	Tossup	Tossup	Tossup	Tossup
California	D+12	Dianne Feinstein (D)	63% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Connecticut	D+6	Chris Murphy (D)	55% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Delaware	D+6	Tom Carper (D)	66% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Florida	R+2	Bill Nelson (D)	55% D	Tossup	Tossup	Tossup	Tossup	Tossup	Tossup
Hawaii	D+18	Mazie Hirono (D)	63% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Indiana	R+9	Joe Donnelly (D)	50% D	Tossup	Tossup	Tossup	Tossup	Tossup	Tossup
Maine	D+3	Angus King (I)	53% I	Safe D/I	Safe D/I	Safe D/I	Safe D/I	Likely D/I	Safe D/I
Maryland	D+12	Ben Cardin (D)	55% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Massachusetts	D+12	Elizabeth Warren (D)	54% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Michigan	D+1	Debbie Stabenow (D)	59% D	Likely D	Safe D	Likely D	Likely D	Likely D	Likely D
Minnesota	D+1	Amy Klobuchar (D)	65% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Minnesota (Special)	D+1	Tina Smith (D)	53% D	Lean D	Likely D	Likely D	Likely D	Likely D	Likely D
Mississippi	R+9	Roger Wicker (R)	57% R	Safe R	Safe R	Safe R	Safe R	Safe R	Safe R
Mississippi (Special)	R+9	Cindy Hyde-Smith (R)	60% R	Likely R	Safe R	Likely R	Likely R	Safe R	Likely R
Missouri	R+9	Claire McCaskill (D)	55% D	Tossup	Tossup	Tossup	Tossup	Tossup	Tossup
Montana	R+11	Jon Tester (D)	49% D	Tossup	Tossup	Tossup	Tilt D	Lean D	Tossup
Nebraska	R+14	Deb Fischer (R)	56% R	Safe R	Safe R	Safe R	Safe R	Safe R	Safe R
Nevada	D+1	Dean Heller (R)	46% R	Tossup	Tossup	Tossup	Tossup	Tossup	Tossup
New Jersey	D+7	Bob Menendez (D)	59% D	Likely D	Safe D	Likely D	Likely D	Safe D	Likely D
New Mexico	D+3	Martin Heinrich (D)	51% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
New York	D+11	Kirsten Gillibrand (D)	72% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
North Dakota	R+16	Heidi Heitkamp (D)	50% D	Tossup	Tossup	Tossup	Tossup	Tossup	Tossup
Ohio	R+3	Sherrod Brown (D)	51% D	Lean D	Lean D	Lean D	Lean D	Lean D	Lean D
Pennsylvania	EVEN	Bob Casey Jr. (D)	54% D	Likely D	Likely D	Likely D	Likely D	Likely D	Likely D
Rhode Island	D+10	Sheldon Whitehouse (D)	64% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
Tennessee	R+14	Bob Corker (R) (Retiring)	65% R	Tossup	Safe R	Safe R	Lean R	Likely R	Safe R
Texas	R+8	Ted Cruz (R)	57% R	Likely R	Safe R	Safe R	Likely R	Likely R	Safe R
Utah	R+20	Orrin Hatch (R) (Retiring)	65% R	Safe R	Safe R	Safe R	Safe R	Safe R	Safe R
Vermont	D+15	Bernie Sanders (I)	71% I	Safe D/I	Safe D/I	Safe D/I	Safe D/I	Safe D/I	Safe D/I
Virginia	D+1	Tim Kaine (D)	53% D	Likely D	Likely D	Likely D	Likely D	Lean D	Lean D
Washington	D+7	Maria Cantwell (D)	61% D	Safe D	Safe D	Safe D	Safe D	Safe D	Safe D
West Virginia	R+20	Joe Manchin (D)	61% D	Tossup	Tossup	Tossup	Tossup	Tossup	Tossup
Wisconsin	EVEN	Tammy Baldwin (D)	51% D	Likely D	Tilt D	Lean D	Lean D	Lean D	Likely D
Wyoming	R+25	John Barrasso (R)	76% R	Safe R	Safe R	Safe R	Safe R	Safe R	Safe R

Election dates

For the regularly scheduled general elections. Shading added for future events.

State	Filing deadline^[16]	Primary election^[17]	Primary runoff (if necessary)^[17]	General election	Poll closing (Eastern Time)^[18]
Arizona	May 30, 2018	August 28, 2018	N/A	November 6, 2018	9pm
California	March 9, 2018	June 5, 2018	N/A	November 6, 2018	11pm
Connecticut	June 12, 2018	August 14, 2018	N/A	November 6, 2018	8pm
Delaware	July 10, 2018	September 6, 2018	N/A	November 6, 2018	8pm
Florida	May 4, 2018	August 28, 2018	N/A	November 6, 2018	7pm & 8pm
Hawaii	June 5, 2018	August 11, 2018	N/A	November 6, 2018	11pm
Indiana	February 9, 2018	May 8, 2018	N/A	November 6, 2018	6pm & 7pm
Maine	March 15, 2018	June 12, 2018	N/A	November 6, 2018	8pm
Maryland	February 27, 2018	June 26, 2018	N/A	November 6, 2018	8pm
Massachusetts	June 5, 2018	September 4, 2018	N/A	November 6, 2018	8pm
Michigan	April 24, 2018	August 7, 2018	N/A	November 6, 2018	8pm & 9pm
Minnesota	June 5, 2018	August 14, 2018	N/A	November 6, 2018	9pm
Mississippi	March 1, 2018	June 5, 2018	June 26, 2018	November 6, 2018	8pm
Mississippi (Special)	March 26, 2018	November 6, 2018	N/A	November 27, 2018^[c]	8pm
Missouri	March 27, 2018	August 7, 2018	N/A	November 6, 2018	8pm
Montana	March 12, 2018	June 5, 2018	N/A	November 6, 2018	10pm
Nebraska	March 1, 2018	May 15, 2018	N/A	November 6, 2018	9pm
Nevada	March 16, 2018	June 12, 2018	N/A	November 6, 2018	10pm
New Jersey	April 2, 2018	June 5, 2018	N/A	November 6, 2018	8pm
New Mexico	March 13, 2018	June 5, 2018	N/A	November 6, 2018	9pm
New York	April 12, 2018	June 26, 2018	N/A	November 6, 2018	9pm
North Dakota	April 9, 2018	June 12, 2018	N/A	November 6, 2018	10pm & 11pm
Ohio	February 7, 2018	May 8, 2018	N/A	November 6, 2018	7:30pm
Pennsylvania	March 20, 2018	May 15, 2018	N/A	November 6, 2018	8pm
Rhode Island	June 27, 2018	September 12, 2018	N/A	November 6, 2018	8pm
Tennessee	April 5, 2018	August 2, 2018	N/A	November 6, 2018	8pm
Texas	December 11, 2017	March 6, 2018	May 22, 2018 (Unnecessary)	November 6, 2018	8pm & 9pm
Utah	March 15, 2018	June 26, 2018	N/A	November 6, 2018	10pm
Vermont	May 31, 2018	August 14, 2018	N/A	November 6, 2018	7pm
Virginia	March 29, 2018	June 12, 2018	N/A	November 6, 2018	7pm
Washington	May 18, 2018	August 7, 2018	N/A	November 6, 2018	11pm
West Virginia	January 27, 2018	May 8, 2018	N/A	November 6, 2018	7:30pm
Wisconsin	June 1, 2018	August 14, 2018	N/A	November 6, 2018	9pm
Wyoming	June 1, 2018	August 21, 2018	N/A	November 6, 2018	9pm

Race summary

Special elections during the preceding Congress

In these special elections, the winners will be elected coincidingly with the other races of the 2018 Senate elections, but will be seated before January 3, 2019. Ordered by election date, then by state, then by class.

State (linked to summaries below)	Incumbent			Results	Candidates
State (linked to summaries below)	Senator	Party	Electoral history	Results	Candidates
Minnesota (Class 2)	Tina Smith	Democratic	2018 (Appointed)	Special election scheduled for November 6, 2018. Interim appointee running.	Ali Chehem Ali (Democratic)^[19] Bob Anderson (Republican)^[19] Nikolay Bey (Republican)^[19] Karin Housley (Republican)^[19] Gregg Iverson (Democratic)^[19] Nick Leonard (Democratic)^[19] Richard Painter (Democratic)^[19] Christopher Seymore (Democratic)^[19] Tina Smith (Democratic)^[19]
Mississippi (Class 2)	Cindy Hyde-Smith	Republican	2018 (Appointed)	Special election scheduled for November 6, 2018. If no candidate receives a majority, a runoff will be held on November 27, 2018. Interim appointee running.	Tobey Bartee (Democratic)^[20] Mike Espy (Democratic)^[20] Cindy Hyde-Smith (Republican)^[20] Chris McDaniel (Republican)^[20]

Elections leading to the next Congress

In these general elections, the winners will be elected for the term beginning January 3, 2019.

All of the elections involve the Class 1 seats; ordered by state.

State (linked to summaries below)	Incumbent			Results	Candidates
State (linked to summaries below)	Senator	Party	Electoral history	Results	Candidates
Arizona	Jeff Flake	Republican	2012	Incumbent retiring. New senator to be elected.	Deedra Abboud (Democratic)^[21] Eve Reyes Aguirre (Green)^[21] Joe Arpaio (Republican)^[21] Doug Marks (Libertarian)^[21] Martha McSally (Republican)^[21] Kyrsten Sinema (Democratic)^[21] Kelli Ward (Republican)^[21]
California	Dianne Feinstein	Democratic	1992 (Special) 1994 2000 2006 2012	Incumbent renominated.	Kevin de León (Democratic)^[22] Dianne Feinstein (Democratic)^[22]
Connecticut	Chris Murphy	Democratic	2012	Incumbent running.^[23]	Ann-Marie Adams (Democratic)^[24] Matthew Corey (Republican)^[25] Chris Murphy (Democratic)^[23] Dominic Rapini (Republican)^[26]
Delaware	Tom Carper	Democratic	2000 2006 2012	Incumbent running.^[27]	Robert Arlett (Republican)^[28] Tom Carper (Democratic)^[27] Kerri Evelyn Harris (Democratic)^[29] Gene Truono (Republican)
Florida	Bill Nelson	Democratic	2000 2006 2012	Incumbent renominated.	Rocky De La Fuente (Republican)^[30] Lateresa Ann Jones (Write-in)^[30] Howard Knepper (Write-in)^[30] Michael Levinson (Write-in)^[30] Bill Nelson (Democratic)^[30] Rick Scott (Republican)^[30] Charles Frederick Tolbert (Write-in)^[30] David Weeks (Write-in)^[30]
Hawaii	Mazie Hirono	Democratic	2012	Incumbent running.	Consuelo Anderson (Republican)^[31] Ronald Curtis (Republican)^[31] Charles Haverty (Nonpartisan)^[31] Robert Helsham (Republican)^[31] Mazie Hirono (Democratic)^[31] Michael Hodgkiss (Republican)^[31] Arturo Reyes (Nonpartisan)^[31] Thomas White (Republican)^[31]
Indiana	Joe Donnelly	Democratic	2012	Incumbent renominated.	Mike Braun (Republican)^[32] Joe Donnelly (Democratic)^[32] James Johnson (Independent)^[32]
Maine	Angus King	Independent	2012	Incumbent renominated.	Eric Brakey (Republican)^[33] Angus King (Independent)^[34] Zak Ringelstein (Democratic)^[33]
Maryland	Ben Cardin	Democratic	2006 2012	Incumbent running.	Tony Campbell (Republican)^[35] Ben Cardin (Democratic)^[35] Chris Chaffee (Republican)^[35] Evan Cronhardt (Republican)^[35] Nnabu Eze (Republican)^[35] John Graziani (Republican)^[35] Christina Grigorian (Republican)^[35] Albert Howard (Republican)^[35] Erik Jetmir (Democratic)^[35] Bill Krehnbrink (Republican)^[35] Chelsea Manning (Democratic)^[35] Marcia Morgan (Democratic)^[35] Jerry Segal (Democratic)^[35] Neal Simon (Independent)^[36] Edward Shlikas (Independent)^[37] Gerald Smith (Republican)^[35] Blaine Taylor (Republican)^[35] Brian Charles Vaeth (Republican)^[35] Rikki Vaughn (Democratic)^[35] Arvin Vohra (Libertarian)^[35] Rica Wilson (Democratic)^[35] Lih Young (Democratic)^[35]
Massachusetts	Elizabeth Warren	Democratic	2012	Incumbent running.	Shiva Ayyadurai (Independent)^[38] Geoff Diehl (Republican)^[39] John Kingston (Republican)^[39] Beth Lindstrom (Republican)^[39] Elizabeth Warren (Democratic)^[40]
Michigan	Debbie Stabenow	Democratic	2000 2006 2012	Incumbent running.	John James (Republican)^[41] Sandy Pensler (Republican)^[41] Marcia Squier (Independent)^[42]^[43] Debbie Stabenow (Democratic)^[41]
Minnesota	Amy Klobuchar	Democratic	2006 2012	Incumbent running.	Merrill Anderson(Republican)^[19] Rae Hart Anderson (Republican)^[19] Steve Carlson (Democratic)^[19] Stephen Emery (Democratic)^[19] David Groves (Democratic)^[19] Amy Klobuchar (Democratic)^[19] Jim Newberger (Republican)^[19] Leonard Richards (Democratic)^[19]
Mississippi	Roger Wicker	Republican	2007 (Appointed) 2008 (Special) 2012	Incumbent renominated.	David Baria (Democratic)^[20] Danny Bedwell (Libertarian)^[20] Shawn O'Hara (Reform)^[20] Howard Sherman (Democratic)^[20] Roger Wicker (Republican)^[20]
Missouri	Claire McCaskill	Democratic	2006 2012	Incumbent running.	Jerome Bauer (Green)^[44] Japheth Campbell (Libertarian)^[44] Jo Crain (Green)^[44] Angelica Earl (Democratic)^[44] David Faust (Democratic)^[44] Travis Gonzalez (Democratic)^[44] Brian Hagg (Republican)^[44] Josh Hawley (Republican)^[44] John Hogan (Democratic)^[44] Bradley Krembs (Republican)^[44] Claire McCaskill (Democratic)^[44] Tony Monetti (Republican)^[44] Kristi Nichols (Republican)^[44] Ken Patterson (Republican)^[44] Austin Petersen (Republican)^[44] Peter Pfeifer (Republican)^[44] Fred Ryman (Republican)^[44] Christina Smith (Republican)^[44] Courtland Sykes (Republican)^[44] Leonard Steinman (Democratic)^[44] Carla Wright (Democratic)^[44]
Montana	Jon Tester	Democratic	2006 2012	Incumbent renominated.	Rick Breckenridge (Libertarian)^[45] Matthew Rosendale (Republican)^[45] Jon Tester (Democratic)^[45]
Nebraska	Deb Fischer	Republican	2012	Incumbent renominated.	Deb Fischer (Republican)^[46] Jane Raybould (Democratic)^[46] Jim Schultz (Libertarian)^[46]
Nevada	Dean Heller	Republican	2011 (Appointed) 2012	Incumbent running.	Kamau Bakari (Independent American)^[47] Sherry Brooks (Republican)^[47] Danny Burleigh (Democratic)^[47] Sarah Gazala (Republican)^[47] Tim Hagan (Libertarian)^[47] Vic Harrell (Republican)^[47] Tom Heck (Republican)^[47] Dean Heller (Republican)^[47] David Knight (Democratic)^[47] Barry Michaels (Independent)^[47] Allen Rheinhart (Democratic)^[47] Jacky Rosen (Democratic)^[47] Jesse Sbaih (Democratic)^[47]
New Jersey	Bob Menendez	Democratic	2006 (Appointed) 2006 2012	Incumbent renominated.	Bob Hugin (Republican)^[48] Bob Menendez (Democratic)^[48]
New Mexico	Martin Heinrich	Democratic	2012	Incumbent renominated.	Aubrey Dunn Jr. (Libertarian)^[49] Martin Heinrich (Democratic)^[49] Mick Rich (Republican)^[49]
New York	Kirsten Gillibrand	Democratic	2009 (Appointed) 2010 (Special) 2012	Incumbent running.	Chele Chiavacci Farley (Republican)^[50] Kirsten Gillibrand (Democratic)^[50] Scott Noren (Democratic)^[50]
North Dakota	Heidi Heitkamp	Democratic	2012	Incumbent running.	Kevin Cramer (Republican)^[51] Heidi Heitkamp (Democratic)^[51] Thomas O'Neill (Republican)^[51]
Ohio	Sherrod Brown	Democratic	2006 2012	Incumbent renominated.	Sherrod Brown (Democratic)^[52] Philena Irene Farley (Green, write-in)^[53] Jim Renacci (Republican)^[52]
Pennsylvania	Bob Casey Jr.	Democratic	2006 2012	Incumbent renominated.	Lou Barletta (Republican)^[54] Bob Casey Jr. (Democratic)^[54]
Rhode Island	Sheldon Whitehouse	Democratic	2006 2012	Incumbent running.^[55]	Robert Flanders (Republican)^[56] Robert Nardolillo (Republican)^[57] Sheldon Whitehouse (Democratic)^[55]
Tennessee	Bob Corker	Republican	2006 2012	Incumbent retiring. New senator to be elected.	David Anderson (Republican)^[58] Trudy Austin (Independent)^[58] Phil Bredesen (Democratic)^[58] Marsha Blackburn (Republican)^[58] John Carico (Independent)^[58] Larry Crim (Republican)^[58] Gary Davis (Democratic)^[58] "Mr. Jim" Elkins (Republican)^[58] Tommy Hay (Republican)^[58] Terri Honeycutt (Republican)^[58] Dean Hill (Independent)^[58] J. Darrell Lynn (Republican)^[58] Kevin McCants (Independent)^[58] Aaron Pettigrew (Republican)^[58] Breton Philips (Independent)^[58] Kris Todd (Independent)^[58] Rolando Toyos (Republican)^[58] John Wolfe (Democratic)^[58]
Texas	Ted Cruz	Republican	2012	Incumbent renominated.	Carl Bible (Independent)^[59] Ted Cruz (Republican)^[60] Neal Dikeman (Libertarian)^[61]^[62] Bob McNeil (Independent)^[d]^[64] Beto O'Rourke (Democratic)^[65]
Utah	Orrin Hatch	Republican	1976 1982 1988 1994 2000 2006 2012	Incumbent retiring. New senator to be elected.	Tim Aalders (Constitution)^[66] Craig Bowden (Libertarian)^[66] Jeff Dranfield (Democratic)^[66] Ryan Daniel Jackson (Write-in)^[66] Mike Kennedy (Republican)^[66] Abe Korb (Write-in)^[66] Joshua Lee (Republican)^[66] Larry Livingston (Democratic)^[66] Reed McCandless (Independent American)^[66] Caleb Dan Reeve (Write-in)^[66] Mitt Romney (Republican)^[66] Mitchell Vice (Democratic)^[66] Jenny Wilson (Democratic)^[66]
Vermont	Bernie Sanders	Independent	2006 2012	Incumbent running.	Folasade Adeluola (Democratic)^[67] Brooke Paige (Republican)^[67] Jasdeep Pannu (Republican)^[67] Bernie Sanders (Democratic)^[67] Lawrence Zupan (Republican)^[67]
Virginia	Tim Kaine	Democratic	2012	Incumbent running.	Nicholas Freitas (Republican)^[68] E. W. Jackson (Republican)^[68] Tim Kaine (Democratic)^[68] Corey Stewart (Republican)^[68] Matt Waters (Libertarian)^[69]
Washington	Maria Cantwell	Democratic	2000 2006 2012	Incumbent running.	Thor Amundson (Independent)^[70] Dave Bryant (Republican)^[70] Jon Butler (Independent)^[70] Maria Cantwell (Democratic)^[70] Brad Chase (FDFR)^[70] Art Coday (Republican)^[70] Jimmie Deal (Green)^[70] Rocky De La Fuente (Republican)^[70] Jennifer Ferguson (Democratic)^[70] Joey Gibson (Republican)^[70] Matt Hawkins (Republican)^[70] Matthew Heines (Republican)^[70] Steve Hoffman (FreedomSocialist)^[70] Susan Hutchison (Republican)^[70] Charlie Jackson (Independent)^[70] George Kalberer (Democratic)^[70] Mike Luke (Libertarian)^[70] John Orlinski (Republican)^[70] Tim Owen (Republican)^[70] Don Rivers (Democratic)^[70] Mohammad Said (Democratic)^[70] RC Smith (Republican)^[70] Glen Stockwell (Republican)^[70] Dave Strider (Independent)^[70] Keith Swank (Republican)^[70] Clint Tannehill (Democratic)^[70] Alex Tsimerman (StandupAmerica)^[70] Sam Wright (The Human Rights)^[70]
West Virginia	Joe Manchin	Democratic	2010 (Special) 2012	Incumbent renominated.	Joe Manchin (Democratic)^[71] Patrick Morrisey (Republican)^[71]
Wisconsin	Tammy Baldwin	Democratic	2012	Incumbent renominated.	Tammy Baldwin (Democratic)^[72] Charles Barman (Republican)^[72] George Lucia (Republican)^[72] Griffin Jones (Republican)^[72] Kevin Nicholson (Republican)^[72] Leah Vukmir (Republican)^[72]
Wyoming	John Barrasso	Republican	2007 (Appointed) 2008 (Special) 2012	Incumbent running.	John Barrasso (Republican)^[73] Dave Dodson (Independent)^[73] Charlie Hardy (Republican)^[73] John Holtz (Republican)^[73] Anthony Risseghem (Republican)^[73] Gary Trauner (Democratic)^[73]

Arizona

One-term Republican Jeff Flake was elected with 49% of the vote in 2012. He will be 55 years old in 2018. He has declared he will retire at the end of his term.^[74]

U.S. Representative Martha McSally,^[21] former state senator Kelli Ward,^[21] and former Maricopa County Sheriff Joe Arpaio,^[21] are running contest the Republican primary.

U.S. Rep. Kyrsten Sinema,^[21] Deedra Abboud,^[21] are running for the Democratic nomination.

Eve Reyes Aguirre is running as a Green Party Candidate.^[21]

California

Four-term Democrat Dianne Feinstein won a special election in 1992 and was elected to full terms in 1994, 2000, 2006, and 2012. She will be 85 years old in 2018. She is running for re-election, and will advance to the general election after securing the top spot in the June 5 primary.^[22]

President pro tempore of the California State Senate Kevin de León will advance to the general election after securing the second spot in the June 5 primary.^[22] Other Democratic candidates included community advocate Adrienne Nicole Edwards,^[22] Eugene Patterson Harris,^[22] David Hildebrand, Douglas Howard Pierce,^[22] and Alison Hartson.^[22]

Republican candidates included Paul Allen Taylor.^[22]

Derrick Michael Reid ran with the Libertarian Party.^[22]

Independent candidates included biologist Tim Gildersleeve,^[22] Lee W. Olson,^[22] and evangelist Ling Ling Shi.^[22]

Connecticut

One-term Democrat Chris Murphy was elected with 55% of the vote in 2012. He will be 45 years old in 2018. He is running for re-election.^[23] He is being challenged for the Democratic nomination by Ann-Marie Adams.^[24]

Businessmen Matthew Corey^[25] and Dominic Rapini^[26] are seeking the Republican nomination.

Delaware

Three-term Democrat Tom Carper won re-election with 66% of the vote in 2012. He will be 71 years old in 2018. He announced he was running for re-election during an interview on MSNBC on July 24, 2017.^[27] He will be challenged by Kerri Evelyn Harris for the Democratic nomination.

Sussex County Councilman Robert Arlett and Businessman Gene Truono are running for the Republican nomination.

Florida

Three-term Democrat Bill Nelson was re-elected with 55% of the vote in 2012. Nelson will be 76 years old in 2018. He will seek re-election to a fourth term in office.^[30] He is being challenged for the Democratic nomination by Tamika Lyles.^[30]

Florida Governor Rick Scott has announced his candidacy for the Republican nomination. Scott will be 65 years old in 2018. First elected in 2010 and re-elected in 2014, Scott's term as Governor of Florida is set to end by January 2019, due to term limits.^[30] Lateresa Ann Jones,^[30] Howard Knepper,^[30] and Joe Smith,^[30] are also running for the Republican nomination.

Edward Janowski is running as independents.^[30]

Hawaii

One-term Democrat Mazie Hirono was elected with 63% of the vote in 2012. She will be 71 years old in 2018. She is running.^[31]

Republican Thomas Edward White is running.^[31]

Indiana

One-term Democrat Joe Donnelly was elected with 50.04% of the vote in 2012. He will be 63 years old in 2018. He is running. He won the Democratic primary unopposed.^[75]

State Representative Mike Braun won the May 8 Republican primary. Congressmen Luke Messer^[75] and Todd Rokita^[75] also ran for the Republican nomination.

James Johnson is running as an independent.^[32]

Maine

One-term Independent Senator Angus King was elected in a three-way race with 53% of the vote in 2012. King has caucused with the Democratic Party since taking office in 2013, but he has left open the possibility of caucusing with the Republican Party in the future.^[76]

King is running.^[34] He will be 74 years old in 2018.

State Senator Eric Brakey is running for the Republican nomination.^[33]

Public school teacher and founder of UClass Zak Ringelstein is seeking the Democratic nomination.^[33]

Maryland

Two-term Democrat Ben Cardin was re-elected with 56% of the vote in 2012. He will be 75 years old in 2018. He is running,^[35] He is being challenged in the Democratic primary by Chelsea Manning,^[35] Marcia Morgan, Jerry Segal, Richard "Rikki" Vaughn, Debbie "Rica" Wilson, and Lih Young.^[35]

Tony Campbell, Evan Cronhardt, Nnabu Eze, Gerald Smith, and Blaine Taylor^[35] are seeking the Republican nomination.

Arvin Vohra, vice chairman of the Libertarian National Committee, is seeking the Libertarian Party nomination.^[35]

Independents Neal Simon^[36] and Edward Shlikas^[37] are running.

Massachusetts

One-term Democrat Elizabeth Warren was elected with 54% of the vote in 2012. She will be 69 years old in 2018. She is running.^[40]

State Representative Geoff Diehl,^[39] attorney and founder of Better for America, John Kingston,^[39] former Romney aide Beth Lindstrom,^[39] are running for the Republican nomination.

Shiva Ayyadurai^[38] is running as an independent. Shiva started as in early 2017 as the first Republican in the race but went independent in late 2017.

Michigan

Three-term Democrat Debbie Stabenow was re-elected with 59% of the vote in 2012. When she runs in 2018 she will be 68 years old.^[41] She is the only Democrat from the state of Michigan running for Senate.

On the Republican side, businessman John James,^[41] and businessman Sandy Pensler^[41] are running.

Independent candidate Marcia Squier is also running.^{[citation needed]} Marcia Squier ran as a Green Party candidate for District 14 of the U.S. House of Representatives in 2016.^[77]

Minnesota

Two-term Democrat Amy Klobuchar was re-elected with 65% of the vote in 2012. She will be 58 years old in 2018. She is running.^[19]

State Representative Jim Newberger^[19] is running for the Republican nomination.

Minnesota (Special)

Two-term Democrat Al Franken announced that he would resign in December 2017, following allegations of sexual harassment. Mark Dayton, Governor of Minnesota, appointed Lt. Gov. Tina Smith on January 2, 2018, as an interim Senator until the November 2018 election.^[78]

Democratic incumbent Tina Smith^[19], Nick Leonard,^[19] Republican Karin Housley,^[19] and Republican Bob Anderson are running.^[19]

Mississippi

Mississippi election

← 2012

2024 →


Nominee	Roger Wicker	TBD
Party	Republican	Democratic

Incumbent U.S. senator

Roger Wicker
Republican

One-term Republican Roger Wicker won re-election with 57% of the vote in 2012. He was appointed in 2007 and won a special election in 2008 to serve the remainder of Trent Lott's term. He will be 67 years old in 2018. He is running.^[20]

David Baria^[20] and Howard Sherman^[20] are seeking the Democratic nomination. Neither won a majority in the June 5 primary, and both will compete in a runoff on June 26.

Mississippi (Special)

Seven-term Republican Thad Cochran, who won re-election with 59.9% of the vote in 2014, announced that he would resign April 1, 2018 due to health reasons.^[79] Phil Bryant, Governor of Mississippi, announced on March 21, 2018, that he would appoint Mississippi Agriculture Commissioner Cindy Hyde-Smith to fill the vacancy.^{[citation needed]} She will be running in the special election.^[20]

Former United States Secretary of Agriculture and member of the U.S. House of Representatives Mike Espy^[20] and Toby Bartee^[80] are running as Democratic candidates. Republican Chris McDaniel is also running.^[20]

Missouri

Two-term Democrat Claire McCaskill was re-elected with 55% of the vote in 2012. She will be 65 years old in 2018. She is running.^[44] She is being challenged in the Democratic primary by Angelica Earl.^[44]

Attorney General Josh Hawley,^[44] Libertarian presidential candidate in 2016 Austin Petersen,^[44] assistant dean of aviation at University of Central Missouri Tony Monetti,^[44] and Courtland Sykes,^[44] are running for the Republican nomination. Japeth Campbell has declared his candidacy for the Libertarian nomination.^[44]

Montana

Montana election

← 2012

2024 →

		File:Matt Rosendale (cropped).jpg
Nominee	Jon Tester	Matt Rosendale
Party	Democratic	Republican

Incumbent U.S. senator

Jon Tester
Democratic

Two-term Democrat Jon Tester was re-elected with 49% of the vote in 2012. He will be 62 years old in 2018. He won the Democratic nomination in the June 5 primary with no opposition.^[45]

State Auditor Matthew Rosendale^[45] won the Republican nomination in the June 5 primary. State Senator Albert Olszewski,^[45] former judge Russell Fagg,^[45] and Troy Downing^[45] also ran for the Republican nomination.

Green Party candidate Steve Kelly is running.^[45]

Nebraska

Nebraska election

← 2012

2024 →

		Jane Raybould.jpg
Nominee	Deb Fischer	Jane Raybould
Party	Republican	Democratic

Incumbent U.S. senator

Deb Fischer
Republican

One-term Republican Deb Fischer was elected with 58% of the vote in 2012. She will be 67 years old in 2018. She ran for and won the Republican nomination in the May 15 primary.^[46] Other Republicans who ran include retired professor Jack Heidel, Todd Watson, and Dennis Frank Macek.^[46]

Lincoln Councilwoman Jane Raybould ran for and won the Democratic nomination in the May 15 primary.^[46] Other Democrats who ran include Frank Svoboda, Chris Janicek, and Larry Marvin, who was a candidate in 2008, 2012, and 2014.^[46]

Jim Schultz is running for the Libertarian nomination.^[46]

Nevada

One-term Republican Dean Heller was elected with 46% of the vote in 2012. He had been appointed to the seat in 2011. He will be 58 years old in 2018. Heller considered running for governor, but has since chosen to seek re-election.^[47]

Representative Jacky Rosen^[47] and Jesse Sbaih^[47] are running for the Democratic nomination.

New Jersey

New Jersey election

← 2012

2024 →

		File:Robert J. Hugin.gif
Nominee	Bob Menendez	Bob Hugin
Party	Democratic	Republican

Incumbent U.S. senator

Bob Menendez
Democratic

Republican Bob Hugin^[48] was nominated to face two-term Democrat Bob Menendez, who was re-elected with 59% of the vote in 2012. Menendez was originally appointed to the seat in January 2006. He will be 64 years old in 2018. He is running.^[48]

New Mexico

New Mexico election

← 2012

2024 →


Nominee	Martin Heinrich	Mick Rich
Party	Democratic	Republican

Incumbent U.S. senator

Martin Heinrich
Democratic

One-term Democrat Martin Heinrich was elected with 51% of the vote in 2012. He will be 47 years old in 2018. He is running.^[49] Mick Rich won the Republican nomination unopposed.^[49]

Aubrey Dunn Jr., New Mexico Commissioner of Public Lands and otherwise the first Libertarian to ever hold statewide elected office in history, has announced his run for the seat.^[49]

New York

One-term Democrat Kirsten Gillibrand was elected with 72% of the vote in 2012. She had previously been appointed to the seat in 2009, and won a special election to remain in office in 2010. She will be 51 years old in 2018. She is running.^[50]

Private equity executive Chele Chiavacci Farley has been nominated for U.S. Senate by the Republican and Conservative Parties.^[50]

North Dakota

One-term Democrat Heidi Heitkamp was elected with 50% of the vote in 2012. She will be 63 years old in 2018. She is running.^[51]

Congressman Kevin Cramer^[51] and former Niagara, North Dakota Mayor Thomas O'Neill^[51] are running for the Republican nomination.

Ohio

Ohio election

← 2012

2024 →


Nominee	Sherrod Brown	Jim Renacci
Party	Democratic	Republican

Incumbent U.S. senator

Sherrod Brown
Democratic

Two-term Democrat Sherrod Brown was re-elected with 51% of the vote in 2012. He will be 65 years old in 2018. He is running, and was unopposed in Democratic primary.^[52]

U.S. Representative Jim Renacci ran for and won the Republican nomination in the May 8 primary.^[52] Other Republicans who ran include investment banker Michael Gibbons,^[52] businesswoman Melissa Ackison,^[52] Dan Kiley,^[52] and Don Elijah Eckhart.^[52]

Pennsylvania

Pennsylvania election

← 2012

2024 →


Nominee	Bob Casey Jr.	Lou Barletta
Party	Democratic	Republican

Incumbent U.S. senator

Bob Casey Jr.
Democratic

Two-term Democrat Bob Casey Jr. was re-elected with 54% of the vote in 2012. He will be 58 years old in 2018. He is running, and won the Democratic primary unopposed.^[54]

U.S. Representative Lou Barletta ran for and won the Republican nomination in the May 15 primary.^[54] Jim Christiana also ran for the Republican nomination.^[54]

Rhode Island

Two-term Democrat Sheldon Whitehouse was re-elected with 64% of the vote in 2012. He will be 63 years old in 2018. He is running.^[55]

State Representative Robert Nardolillo^[57] and former Rhode Island Supreme Court Associate Justice Robert Flanders^[56] are running for the Republican nomination.

Tennessee

Two-term Republican Bob Corker was re-elected with 65% of the vote in 2012. He will be 66 years old in 2018. Senator Corker filed his Statement of Candidacy with the Secretary of the U.S. Senate to run for re-election,^[81] but on September 26, 2017, Senator Corker announced his intent to retire.^[82]

Aaron Pettigrew^[58] and Republican U.S. Representative Marsha Blackburn^[58] are running for the Republican nomination.

Former Tennessee Governor Phil Bredesen^[58] is seeking the Democratic nomination.

Texas

Texas election

← 2012

2024 →


Nominee	Ted Cruz	Beto O'Rourke
Party	Republican	Democratic

Incumbent U.S. senator

Ted Cruz
Republican

One-term Republican Ted Cruz was elected with 57% of the vote in 2012. He will be 48 years old in 2018. He overwhelmingly won the Republican primary on March 6, 2018.^[60]^[83]

Television producer Bruce Jacobson,^[84] Houston energy attorney Stefano de Stefano,^[85] former mayor of La Marque Geraldine Sam,^[86] Mary Miller,^[87] and Thomas Dillingham^[88] were Cruz's opponents.

U.S. Representative Beto O'Rourke won the Democratic nomination on March 6, 2018.^[89] Other Democrats who ran include Irasema Ramirez Hernandez^[90] and Edward Kimbrough.^[91]

Nurse Carl Bible ran as an independent.^[59]

Bob McNeil ran with the American Citizen Party.^[64]

Utah

Seven-term Republican Orrin Hatch was re-elected with 65% of the vote in 2012. Hatch is the President pro tempore of the United States Senate, as well as the second most-senior Senator. He will be 84 years old in 2018. Before the 2012 election, Hatch said that he would retire at the end of his seventh term if he was re-elected.^[92] Hatch initially announced his re-election campaign on March 9, 2017,^[93]^[94] but later announced his plans to retire on January 2, 2018. 2012 Republican presidential candidate Mitt Romney is running for the seat. Attorney Larry Meyers is also running for the Republican nomination.^[66]

Professor James Singer was running for the Democratic nomination, but he dropped out and endorsed Salt Lake County Councilwoman Jenny Wilson, who made her Senate bid official on July 17, 2017.^[95]^[96] Danny Drew^[97]^[98] also was running but dropped out and endorsed Jenny Wilson. Mitchell Kent Vice is also running for the Democratic nomination.

Vermont

Two-term Independent Senator Bernie Sanders was re-elected with 71% of the vote in 2012. Sanders, one of two independent members of Congress, has caucused with the Democratic Party since taking office in 2007. In November 2015, Sanders announced his plans to run as a Democrat, rather than an Independent, in all future elections. He will be 77 years old in 2018. He is running.^[67]

Folasade Adeluola is running for the Democratic nomination.^[67]

Virginia

One-term Democrat Tim Kaine was elected with 53% of the vote in 2012. He will be 60 years old in 2018. He is running.^[68]

State Delegate Nick Freitas,^[68] past Senate candidate and nominee for Lieutenant Governor in 2013 E. W. Jackson,^[68] and Prince William County Supervisor Corey Stewart^[68] are seeking the Republican nomination.

Washington

Three-term Democrat Maria Cantwell was re-elected with 61% of the vote in 2012. She will be 60 years old in 2018. She is running.^[70]

Former state Republican Party chair Susan Hutchison is running.^[70]

Jennifer Gigi Ferguson is running.^[70]

Dave Strider^[70] is running as independents.

Mike Luke is running with the Libertarian Party.^[70]

West Virginia

West Virginia election

← 2012

2024 →


Nominee	Joe Manchin	Patrick Morrisey
Party	Democratic	Republican

Incumbent U.S. senator

Joe Manchin
Democratic

One-term Democrat Joe Manchin was elected with 61% of the vote in 2012. He originally won the seat in a 2010 special election. He will be 71 years old in 2018. Manchin is running for re-election, and won the May 8 Democratic primary.^[71] Environmental activist Paula Jean Swearengin,^[71] also ran for the Democratic nomination.

West Virginia Attorney General Patrick Morrisey received the Republican nomination in the May 8 primary. Representative Evan Jenkins,^[71] coal miner Bo Copley,^[71] Jack Newbrough, Don Blankenship, and Tom Willis ran for the Republican nomination.^[71]

Wisconsin

One-term Democrat Tammy Baldwin was elected with 51% of the vote in 2012. She will be 56 years old in 2018. She is running.^[72]

State Senator Leah Vukmir^[72] and businessman and member of Wisconsin Board of Veterans Affairs Kevin Nicholson^[72] are running for the Republican nomination.

Wyoming

One-term Republican John Barrasso was elected with 76% of the vote in 2012. Barrasso was appointed to the seat in 2007, and won a special election in 2008. He will be 66 years old in 2018. He is running.^[73]

58 year old Gary Trauner^[73], a Jackson Hole businessman and US House candidate in 2006 and 2008, is running for the Democratic nomination.

Notes

^ Including the United States Senate special election in Mississippi, 2018
^ Including the United States Senate special election in Minnesota, 2018
^ Mississippi will hold runoff for special election on November 27, 2018, in which no one candidate wins a majority of the vote in the November 6, 2018 jungle primary.
^ American Citizen Party does not have ballot access in Texas. Bob McNeil appears on ballot as "Independent."^[63]

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^ ^a ^b ^c ^d ^e "Pennsylvania Candidates Lists". Pennsylvania Secretary of State. Retrieved March 20, 2018.
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^ ^a ^b "FLANDERS, ROBERT MR - Candidate overview". FEC.gov.
^ ^a ^b "NARDOLILLO, ROBERT ANTHONY III - Candidate overview". FEC.gov.
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^ ^a ^b "BIBLE, CARL ALEXANDER - Candidate overview". FEC.gov. Retrieved December 21, 2017.
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^ ^a ^b ^c ^d ^e ^f ^g "West Virginia Candidates Lists" (PDF). West Virginia Secretary of State. Retrieved March 4, 2018.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ "Candidate Tracking by Office" (PDF). Wisconsin Election Commission. Retrieved June 11, 2018.
^ ^a ^b ^c ^d ^e ^f ^g ^h "2018 Primary Election Candidate Roster" (PDF). Wyoming Secretary of State. Retrieved May 23, 2018.
^ Jeff Flake (October 24, 2017). "Flake Announces Senate Future". United States Senator Jeff Flake. Retrieved December 20, 2017.
^ ^a ^b ^c "Candidate List - 2018 Primary Election" (PDF). Indiana Secretary of State. February 12, 2018. Retrieved February 12, 2018.
^ Blake, Aaron (November 5, 2014). "Angus King and Joe Manchin are sticking with the Democrats. Because, of course". Washington Post. Retrieved May 28, 2015.
^ "Michigan's 14th Congressional District election, 2016 - Ballotpedia". Retrieved March 12, 2018.
^ "CERTIFICATE OF APPOINTMENT OF UNITED STATES SENATOR FROM MINNESOTA" (PDF). January 2, 2018. Retrieved February 23, 2018.
^ Jacobs, Ben (March 5, 2018). "Mississippi Senator Thad Cochran announces he is stepping down". the Guardian. Retrieved March 5, 2018.
^ "Tupelo Mayor Jason Shelton pulls out of U.S. senate race". wcbi.com. May 8, 2018. Retrieved May 23, 2018.
^ "Larry Crim Announces U.S. Senate 2018 Race For Seat Held By Corker". chattanoogan.com. Retrieved February 21, 2017.
^ "Corker to end Senate career with this term". Retrieved September 26, 2017.
^ "Ted Cruz plans to run for re-election in 2018". CNN. Retrieved November 22, 2016.
^ Wang, Jackie (November 16, 2017). "Christian TV producer challenging Sen. Ted Cruz in GOP primary". Dallas Morning News. Retrieved November 16, 2017.
^ "Statement of Organization" (PDF). FEC Form 1. June 9, 2017. Retrieved June 14, 2017.
^ Tinsley, Anna M. (November 11, 2017). "2018 Election: First day of filing begins with a rush of candidates". Fort Worth Star-Telegram. Retrieved November 16, 2017.
^ "MILLER, MARY ANN - Candidate overview". FEC.gov.
^ "Former Birdville schools employee joins GOP race to unseat Sen. Ted Cruz". Star-Telegram. Retrieved December 1, 2017.
^ "Texas democrat Beto O'Rourke announces bid to unseat Ted Cruz". Business Insider. Associated Press. Retrieved March 31, 2017.
^ "HERNANDEZ, IRASEMA RAMIREZ - Candidate overview". FEC.gov.
^ Tinsley, Anna (December 9, 2017). "Deadline for 2018 primary ballot: Monday. Here's who is already in the race". Fort Worth Star-Telegram. Retrieved December 17, 2017.
^ Lederman, Josh (March 3, 2012). "Hatch will retire in 2018 if he wins reelection". The Hill.
^ Raju, Manu (March 9, 2017). "First on CNN: After lobbying from Trump, Orrin Hatch plans to run again". CNN. Retrieved March 11, 2017.
^ Dennis Romboy (November 6, 2014). "Sen. Orrin Hatch leaves door ajar for run in 2018". Deseret News. Retrieved December 12, 2014.
^ Tanner, Courtney (May 3, 2017). "Navajo candidate announces bid as Democrat for Hatch's seat". The Salt Lake Tribune. Retrieved June 13, 2017.
^ Breiner, Andrew (June 21, 2017). "Navajo Candidate Drops Out of Race Against Hatch". Roll Call. Retrieved June 21, 2017.
^ Schott, Bryan (April 12, 2017). "Another Democrat looking to knock off Hatch in 2008". Utah Policy. Retrieved April 12, 2017.
^ "Thank You". Danny Drew For U.S. Senate. Retrieved October 3, 2017.

[1] Including the United States Senate special election in Mississippi, 2018

[2] Including the United States Senate special election in Minnesota, 2018

[21] Mississippi will hold runoff for special election on November 27, 2018, in which no one candidate wins a majority of the vote in the November 6, 2018 jungle primary.

[noballottx-67] American Citizen Party does not have ballot access in Texas. Bob McNeil appears on ballot as "Independent."^[63]

[3] Michael Wines (October 14, 2017). "Wary of Hackers, States Move to Upgrade Voting Systems". Nytimes.com. Retrieved October 17, 2017.

[math2018-4] Dick, Jason (January 20, 2016). "Senate Democrats, 2018 Math Is Not Your Friend". Roll Call. Retrieved August 2, 2016.

[5] Livingston, Abby (January 6, 2017). "Rep. Beto O'Rourke "very likely" to run for Sen. Ted Cruz's seat in 2018". The Texas Tribune. Retrieved January 19, 2017.

[6] Pramuk, Jacob (September 26, 2017). "Republican Sen. Bob Corker of Tennessee will not seek re-election, long-shot opportunity for Democrats". CNBC. Retrieved September 26, 2017.

[EarlySabato-7] Kondik, Kyle (July 25, 2013). "Senate 2014 and Beyond". Sabato's Crystal Ball. Retrieved September 19, 2013.

[Pbs2018-8] Fram, Alan (November 11, 2016). "Several Democrats facing 2018 re-election are from states Trump carried". PBS NewsHour. Retrieved November 12, 2016.

[king_to_caucus_with_dems-9] Bobic, Igor (November 5, 2014). "Independent Angus King Will Continue To Caucus With Senate Democrats". Huffington Post. Retrieved November 6, 2014.

[sanders_to_caucus_with_dems-10] Gaudiano, Nicole (October 23, 2014). "Bernie Sanders to caucus with GOP? Fat chance, he says". USA Today. Retrieved November 6, 2014.

[11] "2016 State PVI Changes – Decision Desk HQ". decisiondeskhq.com. December 15, 2017.

[cook1-12] "2018 Senate Race Ratings". Cook Political Report. January 5, 2018.

[13] "Senate Ratings". Inside Elections. January 5, 2018.

[14] "2017-2018 Crystal Ball Senate race ratings map". University of Virginia Center for Politics. May 9, 2018.

[15] "2018 Election Calendar and Results". The New York Times. Retrieved January 24, 2018.

[16] "CNN Key Races: Democrats' tough Senate map". CNN. Retrieved January 30, 2018.

[17] "Battle for the Senate 2018". RCP. Retrieved March 28, 2018.

[FilingDeadline-18] "Daily Kos Elections 2018 Primary Calendar". Daily Kos Elections. Retrieved January 30, 2018.

[PrimaryRunoff-19] "2018 Primary and Runoff Elections for Statewide offices and Congress Chronologically with Filing Deadlines". The Green Papers. Retrieved November 14, 2017.

[20] "2018 Poll Closing Times for Statewide office and Congress General Election Chronologically". The Green Papers. Retrieved November 14, 2017.

[MNsos-22] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w "Candidate Filings - 2018 State General Election". Minnesota Secretary of State. Retrieved May 31, 2018.

[MSlists-23] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o "2018 Mississippi Candidate Qualifying List" (PDF). Mississippi Secretary of State. Retrieved March 24, 2018.

[AZsos-24] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m "2018 Primary Election". Arizona Secretary of State. Retrieved May 25, 2018.

[CAprimarylist-25] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m "California Candidate List" (PDF). California Secretary of State. Retrieved March 24, 2018.

[Murphy-26] Bass, Paul (December 23, 2016). "Murphy Navigates A Changed World". New Haven Independent. Retrieved December 29, 2016.

[autogenerated1-27] "ADAMS, ANN MARIE DR - Candidate overview - FEC.gov". FEC.gov.

[MCorey-28] Altimari, Danielle (August 22, 2017). "Corey Planning U.S. Senate Run Against Murphy". Hartford Courant. Retrieved August 22, 2017.

[Rapini-29] McGuiness, Dylan (June 27, 2017). "Branford Republican Announces Campaign for U.S. Senate". Hartford Courant. Retrieved July 13, 2017.

[TCarper-30] "Kailani Koenig on Twitter". July 24, 2017. Retrieved July 24, 2017.

[31] "United States Senate election in Delaware, 2018". Wikipedia. April 28, 2018.

[32] Mueller, Sarah. "Kerri Harris challenges Carper in September primary". Retrieved March 11, 2018.

[FLlist-33] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o "Candidate Listing for 2018 General Election". Florida Department of State. Retrieved April 10, 2018.

[HIlist-34] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j "Candidates Filing Report". Hawaii Office of Election. Retrieved June 3, 2018.

[INgenerallists-35] "Indiana Secretary of State Official Candidates" (PDF). Indiana Secretary of State. February 10, 2018. Retrieved February 10, 2018.

[MElist-36] "Maine Candidates Lists". Leuitenant Governor Election. Retrieved March 17, 2018.

[MEgenlist-37] "Maine General Election Candidates List". Maine Secretary os State. Retrieved June 8, 2018.

[Maryland_Candidates-38] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y Elections, Maryland State Board of. "2018 Candidate Listing". elections.state.md.us. Retrieved January 16, 2018.

[Independent_to_launch_bid_for_Senate_in_Maryland_-_POLITICO-39] "Independent to launch bid for Senate in Maryland". POLITICO. Retrieved February 8, 2018.

[Shlikas-40] "Shlikas will fix it!". Shlikas for Senate. Retrieved December 20, 2017.

[shivaayyadurai-41] "Dr. Shiva Ayyadurai on Twitter: "Today Shiva 4 Senate dumped the MA GOP Establishment and Declared Our Independence". Twitter. November 11, 2017. Retrieved November 11, 2017.

[MArep-42] ^ ^a ^b ^c ^d ^e ^f "2018 State Primary - Republican Candidates for Nomination". Secretary of the Commonwealth of Massachusetts. Retrieved June 6, 2018.

[MAdem-43] "2018 State Primary - Democratic Candidates for Nomination". Secretary of the Commonwealth of Massachusetts. Retrieved June 6, 2018.

[MIlist-44] ^ ^a ^b ^c ^d ^e ^f "2018 Michigan Candidate Listing". Michigan Secretary of State. Retrieved April 24, 2018.

[45] "Who's running for Congress in Michigan? Here's what we know". Detroit Free Press. Retrieved May 5, 2018.

[46] Johnson, Ruth (August 22, 2017). "State of Michigan Political Party Status" (PDF). State of Michigan. {{cite web}}: Cite has empty unknown parameter: |dead-url= (help)

[MOlists-47] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab "Missouri Candidates Lists". Missouri Secretary of State. Retrieved March 17, 2018.

[MTlists-48] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ "Montana Primary Candidates Lists". Montana Secretary of state.

[nebraskalists-49] ^ ^a ^b ^c ^d ^e ^f ^g ^h "Official Nebraska Candidate Lists" (PDF). Nebraska Secretary of State. March 1, 2018. Retrieved March 2, 2018.

[NVlists-50] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p "Nevada Candidates Lists". Nevada Secretary of state.

[NJprimarylist-51] "Unofficial List Candidates of US Senate" (PDF). New Jersey Election. Retrieved April 11, 2018.

[NMlists-52] ^ ^a ^b ^c ^d ^e ^f "New Mexico Major Parties Candidates". KRWG.org. Retrieved March 26, 2018.

[NYlist-53] "Who Filed Report". New York State Board of Election. Retrieved April 10, 2018.

[NDlist-54] ^ ^a ^b ^c ^d ^e ^f "2018 Primary Contest Candidate List". North Dakota Secretary of State. Retrieved April 9, 2018.

[OHlists-55] ^ ^a ^b ^c ^d ^e ^f ^g ^h "Secretary of State Jon Husted Receives Statewide Candidate Petitions for May Primary". Ohio Secretary of State. Retrieved March 23, 2018.

[56] "FARLEY, PHILENA IRENE - Candidate overview". FEC.gov. Retrieved May 23, 2018.

[PAlists-57] "Pennsylvania Candidates Lists". Pennsylvania Secretary of State. Retrieved March 20, 2018.

[Whitehouse-58] Gregg, Katherine (December 22, 2016). "Sen. Whitehouse: 'Plenty of opportunity for us to have fights with the president'". The Providence Journal. Retrieved December 27, 2016.

[Flanders-59] "FLANDERS, ROBERT MR - Candidate overview". FEC.gov.

[Nardolillo-60] "NARDOLILLO, ROBERT ANTHONY III - Candidate overview". FEC.gov.

[TNlists-61] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u "Tennessee candidates Lists" (PDF). Tennessee Secretary of State. Retrieved March 23, 2018.

[Bible-62] "BIBLE, CARL ALEXANDER - Candidate overview". FEC.gov. Retrieved December 21, 2017.

[cruzfiles-63] Sullivan, Sean (May 11, 2016). "Ted Cruz files to run for reelection to the Senate in 2018". The Washington Post. Retrieved July 25, 2016.

[64] "DIKEMAN, NEAL MONROE - Candidate overview". FEC.gov. Retrieved May 23, 2018.

[65] "Cruz Leads O'Rourke in New Senate Poll". amarillopioneer.com. Retrieved May 23, 2018.

[66] "Bob McNeil - Ballotpedia". ballotpedia.org. Retrieved May 23, 2018.

[McNeil-68] "AmericanCitizenParty.us". americancitizenparty.us.

[69] Tracy, Abigail (May 31, 2017). "Meet the Kennedyesque Democrat trying to beat Ted Cruz". Vanity Fair. Retrieved July 13, 2017.

[UTlists-70] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ "Utah Candidats Lists". Utah Lieutenant Governor Election. Retrieved March 13, 2018.

[VTlist-71] ^ ^a ^b ^c ^d ^e ^f ^g "2018 Candidates listing". Vermont Secretary of State. Retrieved May 25, 2018.

[VAlists-72] ^ ^a ^b ^c ^d ^e ^f ^g ^h "Certified Candidates and Ballot Order for June 12, 2018 Primary Elections" (PDF). Virginia Department of Elections. Retrieved April 5, 2018.

[73] "Waters For U.S. Senate -- The Virginian". Matt Waters for US Senate. Retrieved May 23, 2018.

[WAlist-74] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad ^ae ^af ^ag "2018 Candidates Who Have Filed". Washington Secretary of State. Retrieved May 18, 2018.

[WVlists-75] ^ ^a ^b ^c ^d ^e ^f ^g "West Virginia Candidates Lists" (PDF). West Virginia Secretary of State. Retrieved March 4, 2018.

[WIlist-76] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ "Candidate Tracking by Office" (PDF). Wisconsin Election Commission. Retrieved June 11, 2018.

[WYsos-77] ^ ^a ^b ^c ^d ^e ^f ^g ^h "2018 Primary Election Candidate Roster" (PDF). Wyoming Secretary of State. Retrieved May 23, 2018.

[FlakeRetire-78] Jeff Flake (October 24, 2017). "Flake Announces Senate Future". United States Senator Jeff Flake. Retrieved December 20, 2017.

[INSOS-79] "Candidate List - 2018 Primary Election" (PDF). Indiana Secretary of State. February 12, 2018. Retrieved February 12, 2018.

[ABlake-80] Blake, Aaron (November 5, 2014). "Angus King and Joe Manchin are sticking with the Democrats. Because, of course". Washington Post. Retrieved May 28, 2015.

[81] "Michigan's 14th Congressional District election, 2016 - Ballotpedia". Retrieved March 12, 2018.

[82] "CERTIFICATE OF APPOINTMENT OF UNITED STATES SENATOR FROM MINNESOTA" (PDF). January 2, 2018. Retrieved February 23, 2018.

[83] Jacobs, Ben (March 5, 2018). "Mississippi Senator Thad Cochran announces he is stepping down". the Guardian. Retrieved March 5, 2018.

[84] "Tupelo Mayor Jason Shelton pulls out of U.S. senate race". wcbi.com. May 8, 2018. Retrieved May 23, 2018.

[85] "Larry Crim Announces U.S. Senate 2018 Race For Seat Held By Corker". chattanoogan.com. Retrieved February 21, 2017.

[CorkerRetiring-86] "Corker to end Senate career with this term". Retrieved September 26, 2017.

[87] "Ted Cruz plans to run for re-election in 2018". CNN. Retrieved November 22, 2016.

[BJacobson-88] Wang, Jackie (November 16, 2017). "Christian TV producer challenging Sen. Ted Cruz in GOP primary". Dallas Morning News. Retrieved November 16, 2017.

[destefanofiles-89] "Statement of Organization" (PDF). FEC Form 1. June 9, 2017. Retrieved June 14, 2017.

[GSam-90] Tinsley, Anna M. (November 11, 2017). "2018 Election: First day of filing begins with a rush of candidates". Fort Worth Star-Telegram. Retrieved November 16, 2017.

[MMiller-91] "MILLER, MARY ANN - Candidate overview". FEC.gov.

[92] "Former Birdville schools employee joins GOP race to unseat Sen. Ted Cruz". Star-Telegram. Retrieved December 1, 2017.

[93] "Texas democrat Beto O'Rourke announces bid to unseat Ted Cruz". Business Insider. Associated Press. Retrieved March 31, 2017.

[IRHernandez-94] "HERNANDEZ, IRASEMA RAMIREZ - Candidate overview". FEC.gov.

[EKimbrough-95] Tinsley, Anna (December 9, 2017). "Deadline for 2018 primary ballot: Monday. Here's who is already in the race". Fort Worth Star-Telegram. Retrieved December 17, 2017.

[Hatch_Retire-96] Lederman, Josh (March 3, 2012). "Hatch will retire in 2018 if he wins reelection". The Hill.

[HatchReelection-97] Raju, Manu (March 9, 2017). "First on CNN: After lobbying from Trump, Orrin Hatch plans to run again". CNN. Retrieved March 11, 2017.

[98] Dennis Romboy (November 6, 2014). "Sen. Orrin Hatch leaves door ajar for run in 2018". Deseret News. Retrieved December 12, 2014.

[jamessinger-99] Tanner, Courtney (May 3, 2017). "Navajo candidate announces bid as Democrat for Hatch's seat". The Salt Lake Tribune. Retrieved June 13, 2017.

[100] Breiner, Andrew (June 21, 2017). "Navajo Candidate Drops Out of Race Against Hatch". Roll Call. Retrieved June 21, 2017.

[dannydrew-101] Schott, Bryan (April 12, 2017). "Another Democrat looking to knock off Hatch in 2008". Utah Policy. Retrieved April 12, 2017.

[102] "Thank You". Danny Drew For U.S. Senate. Retrieved October 3, 2017.

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v t e (2017 ←) 2018 United States elections (→ 2019)
U.S. Senate	Arizona California Connecticut Delaware Florida Hawaii Indiana Maine Maryland Massachusetts Michigan Minnesota Minnesota (special) Mississippi Mississippi (special) Missouri Montana Nebraska Nevada New Jersey New Mexico New York North Dakota Ohio Pennsylvania Rhode Island Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
U.S. House (election ratings)	Alabama Alaska American Samoa Arizona 8th sp Arkansas California 10th 21st 39th Colorado Connecticut Delaware District of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan 13th sp Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York 14th 25th sp North Carolina 9th North Dakota Northern Mariana Islands Ohio 12th sp Oklahoma Oregon Pennsylvania 7th and 15th sp 18th sp Rhode Island South Carolina South Dakota Tennessee Texas 27th sp Utah Vermont Virginia 10th U.S. Virgin Islands Washington West Virginia Wisconsin Wyoming
Governors	Alabama Alaska Arizona Arkansas California Lt. Gov Colorado Connecticut Florida Georgia Lt. Gov Guam Hawaii Idaho Illinois Iowa Kansas Maine Maryland Massachusetts Michigan Minnesota Nebraska Nevada New Hampshire New Mexico New York Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas U.S. Virgin Islands Vermont Wisconsin Wyoming
Attorneys general	Alabama Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Guam Idaho Illinois Iowa Kansas Maryland Massachusetts Michigan Minnesota Nevada New Mexico New York North Dakota Ohio Oklahoma Rhode Island South Carolina South Dakota Texas Vermont Wisconsin
State legislatures	Alabama House Senate Alaska House Senate Arizona House Senate California Assembly Senate Colorado House Senate Connecticut House Senate Delaware House Senate Florida House Senate Georgia House Senate Hawaii House Senate Illinois House Senate Indiana Senate Iowa House Senate Kentucky House Senate Maine House Senate Maryland House Senate Massachusetts Senate Michigan House Senate Minnesota House Montana House Senate Nebraska Nevada Senate New Hampshire House Senate New Mexico House New York Assembly Senate North Carolina House Senate Ohio House Senate Oregon Pennsylvania House Senate South Carolina House Texas House Senate Utah House Senate Vermont House Senate Washington House Senate West Virginia Senate Wisconsin Assembly Senate Wyoming House Senate
Mayors	Alexandria, VA Anaheim, CA Anchorage, AK Auburn, AL Austin, TX Burlington, VT Chula Vista, CA Fairfax, VA Fort Lauderdale, FL Franklin, VA Irvine, CA Laredo, TX Lexington, KY Little Rock, AR Long Beach, CA Louisville, KY Lubbock, TX Nashville, TN (special) Newark, NJ Newport News, VA Oakland, CA Oklahoma City, OK Phoenix, AZ (special) Providence, RI Radford, VA Reno, NV San Bernardino, CA San Francisco, CA (special) San Jose, CA Santa Ana, CA Tallahassee, FL Virginia Beach, VA (special) Washington, DC
Local	Anchorage, AK Cook County, IL Cuyahoga County, OH Executive Council El Paso, TX El Paso County, CO Los Angeles County, CA Orange County, CA San Diego, CA San Francisco, CA
Statewide	Alabama Alaska American Samoa Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas U.S. Virgin Islands Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
Related	Russian interference in the 2018 United States elections

Focus on competitive races

Partisan composition

Change in composition

Before the elections

After the elections

Most recent election predictions

Election dates

Race summary

Special elections during the preceding Congress

Elections leading to the next Congress

Arizona

California

Connecticut

Delaware

Florida

Hawaii

Indiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Minnesota (Special)

Mississippi

Mississippi (Special)

Missouri

Montana

Nebraska

Nevada

New Jersey

New Mexico

New York

North Dakota

Ohio

Pennsylvania

Rhode Island

Tennessee

Texas

Utah

Vermont

Virginia

Washington

West Virginia

Wisconsin

Wyoming

See also

Notes

References