Largest Counties in Ireland

Irish Counties Ranked by Population

Ireland’s demographic distribution is characterized by significant concentration in the Greater Dublin Area and major urban centers like Cork. Following the most recent census results, several counties have seen substantial growth, driven by regional development and migration. The following table ranks the counties of the Republic of Ireland by their most recent official population counts.

RankCountyProvincePopulation
1DublinLeinster1,458,154
2CorkMunster584,156
3GalwayConnacht277,737
4KildareLeinster247,774
5MeathLeinster220,826
6LimerickMunster209,536
7TipperaryMunster167,895
8DonegalUlster167,084
9WexfordLeinster163,919
10WicklowLeinster155,851
11KerryMunster156,458
12LouthLeinster139,703
13ClareMunster127,938
14WaterfordMunster127,334
15MayoConnacht137,970
16KilkennyLeinster104,160
17WestmeathLeinster96,221
18LaoisLeinster91,877
19OffalyLeinster83,150
20CavanUlster81,704
21SligoConnacht70,198
22RoscommonConnacht70,259
23MonaghanUlster65,288
24CarlowLeinster61,968
25LongfordLeinster46,751
26LeitrimConnacht35,199