Most and least populated places in Wales (2021)

Cardiff was the most populated of Wales’s 22 councils in 2021 (population 362,308).

Merthyr Tydfil was the least populated (58,836). The middle council, Powys, had 133,169.

Map of population across the UKSee it on the map
Population for every council in Wales, highest first. Councils without a figure are listed last with the reason.
RankCouncilValue
1Cardiff362,308
2Swansea238,490
3Rhondda Cynon Taf237,651
4Carmarthenshire187,897
5Caerphilly175,952
6Newport159,592
7Flintshire154,962
8Bridgend145,488
9Neath Port Talbot142,289
10Wrexham135,117
11Powys133,169
12Vale of Glamorgan131,939
13Pembrokeshire123,360
14Gwynedd117,393
15Conwy114,741
16Denbighshire95,817
17Monmouthshire92,957
18Torfaen92,276
19Ceredigion71,475
20Isle of Anglesey68,878
21Blaenau Gwent66,904
22Merthyr Tydfil58,836

Source and method · See it on the map