List of Irish counties by population

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 2021 is 1,903,100^[1] which would mean a total population on the island of Ireland as of 2022 of approximately 7,052,314.

Data source (as of June 2023):

• Taken from latest census data for the Republic of Ireland^[2] and Northern Ireland.^[3]
• Population data for counties in the Republic of Ireland is based on data from the 2022 census.
• Population data for counties in Northern Ireland is based on the 2021 census.
• The previous census for the Republic of Ireland was taken in 2016, the previous census for Northern Ireland was taken in 2011.
• Density updated as of 2021 for Northern Ireland and 2022 for the Republic of Ireland.

Rank	County	Population	Density (km2)	Province	Change since previous census	Change per year
1	Dublin	1,458,154	1,581.5	Leinster	7.7%	1.28%
2	Antrim	651,321	211.1	Ulster	5.1%	0.51%
3	Cork	584,156	77.5	Munster	7.1%	1.18%
4	Down	553,261	222.3	Ulster	3.9%	0.39%
–	Fingal	330,506	724.8	Leinster	11.2%	1.86%
–	South Dublin	301,705	1,354.5	Leinster	7.5%	1.25%
5	Galway	277,737	45.1	Connacht	7.1%	1.18%
6	Londonderry	252,231	119.1	Ulster	2.0%	0.20%
7	Kildare	247,774	146.2	Leinster	11.0%	1.83%
–	Dún Laoghaire–Rathdown	233,860	1,859.0	Leinster	7.1%	1.18%
8	Meath	220,826	94.3	Leinster	12.9%	2.15%
9	Limerick	209,536	76.0	Munster	5.4%	0.9%
10	Armagh	194,394	146.5	Ulster	10.1%	1.01%
11	Tyrone	188,383	57.6	Ulster	5.5%	0.55%
12	Tipperary	167,895	39.0	Munster	5.1%	0.85%
13	Donegal	167,084	34.4	Ulster	4.5%	0.75%
14	Wexford	163,919	69.3	Leinster	9.2%	1.53%
15	Kerry	156,458	32.5	Munster	5.1%	0.85%
16	Wicklow	155,851	76.9	Leinster	9.2%	1.53%
17	Louth	139,703	169.1	Leinster	7.9%	1.31%
18	Mayo	137,970	24.7	Connacht	5.2%	0.87%
19	Clare	127,938	37.1	Munster	7.2%	1.2%
20	Waterford	127,363	68.6	Munster	9.4%	1.57%
21	Kilkenny	104,160	50.2	Leinster	4.5%	0.75%
22	Westmeath	96,221	52.3	Leinster	8.0%	1.33%
23	Laois	91,877	53.4	Leinster	8.2%	1.37%
24	Offaly	83,150	41.6	Leinster	6.0%	1.0%
25	Cavan	81,704	42.3	Ulster	6.6%	1.1%
26	Roscommon	70,259	27.6	Connacht	8.4%	1.4%
27	Sligo	70,198	38.2	Connacht	6.5%	1.08%
28	Monaghan	65,288	50.4	Ulster	5.6%	0.93%
29	Fermanagh	63,585	37.6	Ulster	3.8%	0.38%
30	Carlow	61,968	69.1	Leinster	8.8%	1.47%
31	Longford	46,751	42.9	Leinster	14.1%	2.35%
32	Leitrim	35,199	21.9	Connacht	9.5%	1.58%
Total	Island of Ireland	7,052,314	83.5	—
Average		220,385	—	—

See also

• Demographics of the Republic of Ireland
• Historical population of Ireland
• List of Irish counties by area
• List of Irish counties by highest point
• List of Irish counties by coastline

Notes

1. The populations of Dublin, Cork, Galway, Limerick and Waterford cities are included with the respective traditional counties. For a list of these cities and their suburbs by population see, List of urban areas in the Republic of Ireland. For more information on city status, see City status in Ireland.

References