Administrative division list
| Counties and Provinces | Population | Area |
|---|
| Carlow | 56,932 inhabitants | 898 km² |
| Cavan | 76,176 inhabitants | 1,932 km² |
| Clare | 118,817 inhabitants | 3,442 km² |
| Connacht (Province) | 550,688 inhabitants | 17,713 km² |
| Cork | 542,868 inhabitants | 7,508 km² |
| Donegal | 159,192 inhabitants | 4,860 km² |
| Dublin Sud | 264,174 inhabitants | 223 km² |
| Dún Laoghaire-Rathdown | 206,261 inhabitants | 127 km² |
| Fingal | 273,051 inhabitants | 453 km² |
| Galway | 258,058 inhabitants | 6,151 km² |
| Kerry | 147,707 inhabitants | 4,735 km² |
| Kildare | 222,504 inhabitants | 1,694 km² |
| Kilkenny | 99,232 inhabitants | 2,072 km² |
| Laois | 84,697 inhabitants | 1,719 km² |
| Leinster (Province) | 2,634,403 inhabitants | 19,774 km² |
| Leitrim | 32,044 inhabitants | 1,589 km² |
| Limerick | 194,899 inhabitants | 2,760 km² |
| Longford | 40,873 inhabitants | 1,091 km² |
| Louth | 128,884 inhabitants | 832 km² |
| Mayo | 130,507 inhabitants | 5,588 km² |
| Meath | 195,044 inhabitants | 2,335 km² |
| Monaghan | 61,386 inhabitants | 1,296 km² |
| Munster (Province) | 1,280,020 inhabitants | 24,608 km² |
| Offaly | 77,961 inhabitants | 1,990 km² |
| Roscommon | 64,544 inhabitants | 2,548 km² |
| Sligo | 65,535 inhabitants | 1,837 km² |
| Tipperary | 159,553 inhabitants | 4,304 km² |
| Ulster (Province) | 296,754 inhabitants | 808 km² |
| Ville de Dublin | 553,165 inhabitants | 118 km² |
| Waterford | 116,176 inhabitants | 1,859 km² |
| Westmeath | 88,770 inhabitants | 1,825 km² |
| Wexford | 149,722 inhabitants | 2,365 km² |
| Wicklow | 142,425 inhabitants | 2,033 km² |
