🌆 Largest Cities in Ireland
Cities of Ireland with more than 15,000 inhabitants, ranked by population (GeoNames).
Dublin38%
South Dublin11%
Cork8.2%
Limerick3.8%
Galway3.2%
Tallaght3%
Waterford2.2%
Drogheda
Dundalk
Swords
Navan
Bray
Dún Laoghaire
Ennis
Carlow
Douglas
Tralee
Portlaoise
Athlone
Droichead Nua
An Muileann gCearr
Letterkenny
Sandyford
Greystones
Balbriggan
Kilkenny
Wexford
Naas
Sligo
Celbridge
3 others
1
DublinLeinster
1,024,027
2
South DublinLeinster
301,075
3
CorkMunster
224,004
4
LimerickMunster
102,287
5
GalwayConnacht
85,910
6
TallaghtLeinster
81,022
7
WaterfordMunster
60,079
8
DroghedaLeinster
44,135
9
DundalkLeinster
43,112
10
SwordsLeinster
40,776
11
NavanLeinster
33,886
12
BrayLeinster
33,512
13
Dún LaoghaireLeinster
31,239
14
EnnisMunster
27,923
15
CarlowLeinster
27,351
16
DouglasMunster
26,883
17
TraleeMunster
26,079
18
PortlaoiseLeinster
23,494
19
AthloneLeinster
22,869
20
Droichead NuaLeinster
22,742
21
An Muileann gCearrLeinster
22,667
22
LetterkennyUlster
22,549
23
SandyfordLeinster
22,288
24
GreystonesLeinster
22,009
25
BalbrigganLeinster
21,722
26
KilkennyLeinster
21,589
27
WexfordLeinster
21,524
28
NaasLeinster
20,713
29
SligoConnacht
20,608
30
CelbridgeLeinster
20,288
31
FinglasLeinster
19,768
32
BallincolligMunster
18,621
33
Cluain MealaMunster
18,369
34
CarrigalineMunster
18,239
35
TempleogueLeinster
18,076
36
RathfarnhamLeinster
17,333
37
MaynoothLeinster
17,259
38
MalahideLeinster
16,550
39
BlanchardstownLeinster
16,511
40
TullamoreLeinster
15,598
41
LeixlipLeinster
15,504
42
DonaghmedeLeinster
15,299
43
LucanLeinster
15,269
Highlights
Within Ireland, Dublin ranks first in 2026 with 1,024,027, followed by South Dublin (301,075) and Cork (224,004).
Dublin is 3.4 times higher than South Dublin, the runner-up.
Across 43 entries, values run from 1,024,027 (Dublin) to 15,269 (Lucan), with a median of 22,549.
Source: GeoNames, cities with more than 15,000 inhabitants, 2026. Unit: people.
Source: GeoNames, cities with more than 15,000 inhabitants · CC BY 4.0 (GeoNames) · fetched Oct 14, 2026 — GeoNames aggregates census and estimate figures, so the reference year varies by city, and a few figures cover the metropolitan area rather than the city proper.