List of Irish counties by population

A map of Ireland showing traditional county borders and names with Northern Ireland counties colored tan, all other counties colored greenCounty KerryCounty AntrimCounty LondonderryCounty DownCounty ArmaghCounty LouthCounty TyroneCounty WexfordCounty DublinCounty WicklowCounty MonaghanCounty DonegalCounty FermanaghCounty WaterfordCounty CorkCounty LimerickCounty ClareCounty CarlowCounty KilkennyCounty LaoisCounty TipperaryCounty MeathCounty KildareCounty CavanCounty LeitrimCounty SligoCounty RoscommonCounty GalwayCounty LongfordCounty WestmeathCounty OffalyCounty MayoCounty Mayo
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 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 Province Change since
previous census 		Change per year
per km2 per sq mi
1 Dublin 1,458,154 1,581.5 4,096 Leinster 7.7% 1.28%
2 Antrim 651,321 211.1 547 Ulster 5.1% 0.51%
3 Cork 584,156 77.5 201 Munster 7.1% 1.18%
4 Down 553,261 222.3 576 Ulster 3.9% 0.39%
– Fingal 330,506 724.8 1,877 Leinster 11.2% 1.86%
– South Dublin 301,705 1,354.5 3,508 Leinster 7.5% 1.25%
5 Galway 277,737 45.1 117 Connacht 7.1% 1.18%
6 Londonderry 252,231 119.1 308 Ulster 2.0% 0.20%
7 Kildare 247,774 146.2 379 Leinster 11.0% 1.83%
– Dún Laoghaire–Rathdown 233,860 1,859.0 4,815 Leinster 7.1% 1.18%
8 Meath 220,826 94.3 244 Leinster 12.9% 2.15%
9 Limerick 209,536 76.0 197 Munster 5.4% 0.9%
10 Armagh 194,394 146.5 379 Ulster 10.1% 1.01%
11 Tyrone 188,383 57.6 149 Ulster 5.5% 0.55%
12 Tipperary 167,895 39.0 101 Munster 5.1% 0.85%
13 Donegal 167,084 34.4 89 Ulster 4.5% 0.75%
14 Wexford 163,919 69.3 179 Leinster 9.2% 1.53%
15 Kerry 156,458 32.5 84 Munster 5.1% 0.85%
16 Wicklow 155,851 76.9 199 Leinster 9.2% 1.53%
17 Louth 139,703 169.1 438 Leinster 7.9% 1.31%
18 Mayo 137,970 24.7 64 Connacht 5.2% 0.87%
19 Clare 127,938 37.1 96 Munster 7.2% 1.2%
20 Waterford 127,363 68.6 178 Munster 9.4% 1.57%
21 Kilkenny 104,160 50.2 130 Leinster 4.5% 0.75%
22 Westmeath 96,221 52.3 135 Leinster 8.0% 1.33%
23 Laois 91,877 53.4 138 Leinster 8.2% 1.37%
24 Offaly 83,150 41.6 108 Leinster 6.0% 1.0%
25 Cavan 81,704 42.3 110 Ulster 6.6% 1.1%
26 Roscommon 70,259 27.6 71 Connacht 8.4% 1.4%
27 Sligo 70,198 38.2 99 Connacht 6.5% 1.08%
28 Monaghan 65,288 50.4 131 Ulster 5.6% 0.93%
29 Fermanagh 63,585 37.6 97 Ulster 3.8% 0.38%
30 Carlow 61,968 69.1 179 Leinster 8.8% 1.47%
31 Longford 46,751 42.9 111 Leinster 14.1% 2.35%
32 Leitrim 35,199 21.9 57 Connacht 9.5% 1.58%
Total Island of Ireland 7,052,314 83.5 216 —    
Average 220,385 — — — —
  1. ^ "Archived copy" (PDF). Archived from the original (PDF) on 24 December 2012. Retrieved 16 December 2014.{{cite web}}: CS1 maint: archived copy as title (link) NISRA Key Report, 2011
  2. ^ "Census 2022 - Summary Results - FY003A- Population". 30 May 2023. Retrieved 3 June 2023.
  3. ^ "County". NISRA. Retrieved 17 August 2023.