Dublin 1,122,821 Antrim 616,384 Cork 447,829 Down 410,487 Derry 211,669 Galway 209,077 Limerick 175,304 Kildare 163,944 Tyrone 158,460 Tipperary 140,131 Donegal 137,575 Meath 134,005 Kerry 132,527 Armagh 126,803 Mayo 117,446 Wexford 116,596 Wicklow 114,676 Clare 103,277 Louth 101,821 Waterford 101,546 Kilkenny 80,339 Westmeath 71,858 Offaly 63,663 Laois 58,774 Sligo 58,200 Cavan 56,546 Fermanagh 54,033 Roscommon 53,744 Monaghan 52,593 Carlow 45,845 Longford 31,068 Leitrim 25,799

Total 5,458,352

Taken from latest Census Data for North and South 2004