County |
Size (km²) |
Population |
Number per km² |
Dublin
|
921
|
1,122,600
|
1,219
|
Antrim
|
2844
|
566,400
|
199
|
Down
|
2448
|
416,600
|
170
|
Louth
|
820
|
101,802
|
124
|
Derry*
|
2074
|
214,800
|
104
|
Armagh
|
1254
|
127,700
|
102
|
Kildare
|
1,693
|
163,995
|
97
|
Limerick
|
2,686
|
175,529
|
65
|
Cork
|
7,457
|
448,181
|
60
|
Meath
|
2,342
|
133,936
|
57
|
Wicklow
|
2,024
|
114,719
|
57
|
Waterford
|
1,837
|
101,518
|
55
|
Tyrone
|
3155
|
161,800
|
51
|
Carlow
|
896
|
45,845
|
51
|
Wexford
|
2,352
|
116,543
|
50
|
Monaghan
|
1,294
|
52,772
|
41
|
Westmeath
|
1,838
|
72,027
|
39
|
Kilkenny
|
2,061
|
80,421
|
39
|
Laois
|
1,719
|
58,732
|
34
|
Galway
|
6,148
|
208,826
|
34
|
Clare
|
3,147
|
103,333
|
33
|
Tipperary
|
4,303
|
140,281
|
33
|
Fermanagh
|
1691
|
54,200
|
32
|
Offaly
|
2,000
|
63,702
|
32
|
Sligo
|
1,836
|
58,178
|
32
|
Cavan
|
1,931
|
56,416
|
29
|
Longford
|
1,091
|
31,127
|
29
|
Donegal
|
4,841
|
137,383
|
28
|
Kerry
|
4,746
|
132,424
|
28
|
Roscommon
|
2,547
|
53,803
|
21
|
Mayo
|
5,585
|
117,428
|
21
|
Leitrim
|
1,588
|
25,815
|
16
|
|
|