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Stephenson County, Illinois

Coordinates: 42°21′N 89°40′W / 42.35°N 89.67°W / 42.35; -89.67
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Stephenson County
County
Map of Illinois highlighting Stephenson County
Location within the U.S. state of Illinois
Map of the United States highlighting Illinois
Illinois's location within the U.S.
Coordinates: 42°21′N 89°40′W / 42.35°N 89.67°W / 42.35; -89.67
Country United States
State Illinois
Founded1837
Named forBenjamin Stephenson
SeatFreeport
Largest cityFreeport
Area
 • Total
565 sq mi (1,460 km2)
 • Land565 sq mi (1,460 km2)
 • Water0.5 sq mi (1 km2)  0.09%
Population
 (2010)
 • Total
47,711
 • Density85/sq mi (33/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district17th
Websitewww.co.stephenson.il.us

Stephenson County is a county located in the U.S. state of Illinois. According to the 2010 census, it had a population of 47,711.[1] Its county seat is Freeport.[2]

Stephenson County is included in the Freeport, IL Micropolitan Statistical Area, which is also included in the Rockford-Freeport-Rochelle, IL Combined Statistical Area.

History

Stephenson County was formed in 1837 out of Jo Daviess and Winnebago counties. The county was named for Colonel Benjamin Stephenson, an official of the Illinois Territory.[3]

  • Stephenson County at the time of its creation in 1837
    Stephenson County at the time of its creation in 1837

Geography

According to the U.S. Census Bureau, the county has a total area of 565 square miles (1,460 km2), of which 565 square miles (1,460 km2) is land and 0.5 square miles (1.3 km2) (0.09%) is water.[4]

Climate and weather

Freeport, Illinois
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
1.3
 
 
25
9
 
 
1.3
 
 
31
14
 
 
2.1
 
 
43
25
 
 
3.2
 
 
57
36
 
 
4
 
 
69
47
 
 
4.5
 
 
78
57
 
 
3.6
 
 
82
62
 
 
4.1
 
 
80
59
 
 
3.7
 
 
73
50
 
 
2.6
 
 
61
39
 
 
2.7
 
 
44
28
 
 
1.7
 
 
30
16
█ Average max. and min. temperatures in °F
█ Precipitation totals in inches
Source: The Weather Channel[5]
Metric conversion
J
F
M
A
M
J
J
A
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34
 
 
−4
−13
 
 
34
 
 
−1
−10
 
 
54
 
 
6
−4
 
 
82
 
 
14
2
 
 
101
 
 
21
8
 
 
113
 
 
26
14
 
 
91
 
 
28
17
 
 
104
 
 
27
15
 
 
93
 
 
23
10
 
 
66
 
 
16
4
 
 
68
 
 
7
−2
 
 
44
 
 
−1
−9
█ Average max. and min. temperatures in °C
█ Precipitation totals in mm

In recent years the average temperatures in the county seat of Freeport, have ranged from a low of 9 °F (−13 °C) in January to a high of 82 °F (28 °C) in July, although a record low of −27 °F (−33 °C) was recorded in January 1985 and a record high of 101 °F (38 °C) was recorded in July 1988. Average monthly precipitation ranged from 1.33 inches (34 mm) in January to 4.46 inches (113 mm) in June.[5]

Adjacent counties

Major highways

Demographics

Historical population
CensusPop.Note%±
18402,800—
185011,666316.6%
186025,112115.3%
187030,60821.9%
188031,9634.4%
189031,338−2.0%
190034,93311.5%
191036,8215.4%
192037,7432.5%
193040,0646.1%
194040,6461.5%
195041,5952.3%
196046,20711.1%
197048,8615.7%
198049,5361.4%
199048,052−3.0%
200048,9791.9%
201047,711−2.6%
2015 (est.)45,749[6]−4.1%
U.S. Decennial Census[7]
1790-1960[8] 1900-1990[9]
1990-2000[10] 2010-2013[1]

As of the 2010 United States Census, there were 47,711 people, 19,845 households, and 13,015 families residing in the county.[11] The population density was 84.5 inhabitants per square mile (32.6/km2). There were 22,081 housing units at an average density of 39.1 per square mile (15.1/km2).[4] The racial makeup of the county was 86.5% white, 9.0% black or African American, 0.6% Asian, 0.2% American Indian, 1.2% from other races, and 2.5% from two or more races. Those of Hispanic or Latino origin made up 2.9% of the population.[11] In terms of ancestry, 46.6% were German, 12.5% were Irish, 10.0% were English, and 8.0% were American.[12]

Of the 19,845 households, 28.6% had children under the age of 18 living with them, 50.3% were married couples living together, 11.2% had a female householder with no husband present, 34.4% were non-families, and 29.7% of all households were made up of individuals. The average household size was 2.36 and the average family size was 2.90. The median age was 43.1 years.[11]

The median income for a household in the county was $43,304 and the median income for a family was $54,224. Males had a median income of $41,672 versus $29,510 for females. The per capita income for the county was $22,608. About 12.3% of families and 14.8% of the population were below the poverty line, including 24.1% of those under age 18 and 7.3% of those age 65 or over.[13]

Education

There are five public high schools and one private high Schools in the county, enrollment figures, are included.

Public high schools

Private high school

Communities

A northerly look across Stephenson County's western edge from an overlook near Kent, Illinois

City

Town

Villages

Census-designated place

Unincorporated communities

Townships

See also

References

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved July 8, 2014.
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07.
  3. ^ "Fifteenth Judicial Circuit". State of Illinois. Retrieved 2016-02-20.
  4. ^ a b "Population, Housing Units, Area, and Density: 2010 - County". United States Census Bureau. Retrieved 2015-07-12.
  5. ^ a b "Monthly Averages for Freeport, Illinois". The Weather Channel. Retrieved 2011-01-27.
  6. ^ "County Totals Dataset: Population, Population Change and Estimated Components of Population Change: April 1, 2010 to July 1, 2015". Retrieved July 2, 2016.
  7. ^ "U.S. Decennial Census". United States Census Bureau. Retrieved July 8, 2014.
  8. ^ "Historical Census Browser". University of Virginia Library. Retrieved July 8, 2014.
  9. ^ "Population of Counties by Decennial Census: 1900 to 1990". United States Census Bureau. Retrieved July 8, 2014.
  10. ^ "Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000" (PDF). United States Census Bureau. Retrieved July 8, 2014.
  11. ^ a b c "DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data". United States Census Bureau. Retrieved 2015-07-12.
  12. ^ "DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.
  13. ^ "DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates". United States Census Bureau. Retrieved 2015-07-12.

42°21′N 89°40′W / 42.35°N 89.67°W / 42.35; -89.67

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