List of Irish counties by population

The 32 traditional counties of Ireland

This is a list of counties of Ireland ordered by population. Counties in the Republic of Ireland are shown in normal type, while those in Northern Ireland are listed in italic type. Non-traditional administrative counties are indicated by a cream-coloured background.

For a more detailed analysis of current and historical Irish populations in the Republic of Ireland, see Irish population analysis. The population of the six counties of Northern Ireland as of 2011 is 1,810,863 which would mean a total population on the island of Ireland as of 2016 of approximately 6,568,839

Data source/age (as-of July 2016):

• Taken from latest Census Data for Northern Ireland and the Republic of Ireland.
• Population data for counties in the Republic of Ireland is based on preliminary data from census 2016.
• Population data for counties in Northern Ireland is based on census 2011.
• The previous census for the Republic of Ireland was taken in 2011, the previous census for Northern Ireland was taken in 2001.
• Density: Based on census 2016

Rank	Administrative county	Population	Density (/ km²)	Traditional province	Change since previous census
1	Dublin	1,345,402	1,459.2	Leinster	5.7%
2	Antrim	618,108	202.9	Ulster	1.8%
3	Cork	542,196	72.3	Munster	4.5%
4	Down	531,665	215.6	Ulster	8.7%
-	Fingal	296,214	651.6	Leinster	8.1%
-	South Dublin	278,749	1,251.5	Leinster	5.1%
5	Galway	258,552	42.0	Connacht	3.2%
6	Londonderry	247,132	119.1	Ulster	4.8%
7	Kildare	222,130	131.0	Leinster	5.6%
-	Dún Laoghaire–Rathdown	217,274	1,706.7	Leinster	5.3%
8	Limerick	195,175	70.8	Munster	1.8%
9	Meath	194,942	83.2	Leinster	5.9%
10	Tyrone	179,000	54.5	Ulster	8.4%
11	Armagh	174,792	131.8	Ulster	7.3%
12	Tipperary	160,441	37.2	Munster	1.1%
13	Donegal	158,755	32.6	Ulster	-1.5%
14	Wexford	149,605	63.2	Leinster	2.9%
15	Kerry	147,554	30.7	Munster	1.4%
16	Wicklow	142,332	70.2	Leinster	4.2%
17	Mayo	130,425	23.3	Connacht	-0.2%
18	Louth	128,375	155.4	Leinster	4.5%
19	Clare	118,627	34.4	Munster	1.2%
20	Waterford	116,401	62.7	Munster	2.3%
21	Kilkenny	99,118	47.8	Leinster	3.9%
22	Westmeath	88,396	48.0	Leinster	2.6%
23	Laois	84,732	49.3	Leinster	5.2%
24	Offaly	78,003	38.9	Leinster	1.7%
25	Cavan	76,092	39.3	Ulster	4.0%
26	Sligo	65,357	35.5	Connacht	-0.1%
27	Roscommon	64,436	25.3	Connacht	0.6%
28	Fermanagh	61,170	36.1	Ulster	6.3%
29	Monaghan	61,273	47.3	Ulster	1.3%
30	Carlow	56,875	63.4	Leinster	4.1%
31	Longford	40,810	37.4	Leinster	4.6%
32	Leitrim	31,972	20.1	Connacht	0.5%
	Average	205,276
Total	Ireland	6,568,839	77.8

See also

• Demographics of the Republic of Ireland
• Irish Population Analysis
• List of Irish counties by area

Notes

1. The populations of Dublin, Cork, Galway, Limerick and Waterford cities have been added to their respective traditional counties. For a list of these cities by population see, List of towns in the Republic of Ireland by population. For more information on city status, see City status in Ireland.