List of Irish counties by area

This is a list of counties of Ireland ordered by area. Counties in the Republic of Ireland are shown in normal type, while those in Northern Ireland and listed in italic type.

Rank	County	Area (km²)	Density (/ km²)
1	Cork	7,457	64.5
2	Galway	6,148	37.7
3	Mayo	5,585	22.2
4	Donegal	4,841	30.4
5	Kerry	4,746	29.5
6	Tipperary	4,303	34.7
7	Tyrone	3,155	50.2
8	Clare	3,147	35.3
9	Antrim	2,844	216.7
10	Limerick	2,686	68.5
11	Roscommon	2,547	23.1
12	Down	2,448	167.7
13	Wexford	2,352	56.0
14	Meath	2,342	69.5
15	Derry	2,074	102.1
16	Kilkenny	2,061	42.5
17	Wicklow	2,024	62.3
18	Offaly	2,000	35.5
19	Cavan	1,931	33.1
20	Westmeath	1,838	43.2
21	Waterford	1,837	58.8
22	Sligo	1,836	33.2
23	Laois	1,719	39.0
24	Kildare	1,693	110.0
25	Fermanagh	1,691	32.0
26	Leitrim	1,588	18.2
27	Monaghan	1,294	43.3
28	Armagh	1,254	101.1
29	Longford	1,091	31.5
30	Dublin	921	1289.0
31	Carlow	896	56.2
32	Louth	820	135.7
	Average	2,599
Total	Ireland	83,168	71.3

Dublin Region

Rank	County	Area (km²)	Density (/ km²)
	Dun Laoghaire-Rathdown	127	1521.4
	Fingal	448	535.2
	Dublin City Council	115	4402.2
	South Dublin	223	1108.5
Total	Dublin Region	921	1289.0

Rank	County	Area (km²)	Density (/ km²)
(15th)	South Tipperary	2,257	36.8
(17th)	North Tipperary	2,046	32.2
Total	Tipperary	4,303	34.7