List of Welsh principal areas by population
This is a list of principal areas of Wales ordered by population. The figures are mid-year estimates for 2011 from the Office for National Statistics.
| Rank | District | Population | Population density | Style |
|---|---|---|---|---|
| 1 | Cardiff | 345,400 | 2467 | City and county |
| 2 | Swansea | 239,000 | 632 | City and county |
| 3 | Rhondda Cynon Taf | 234,400 | 553 | County borough |
| 4 | Carmarthenshire | 184,000 | 76.7 | County |
| 5 | Caerphilly | 178,800 | 643 | County borough |
| 6 | Flintshire | 152,700 | 348 | County |
| 7 | Newport | 145,800 | 767 | City |
| 8 | Neath Port Talbot | 139,900 | 316 | County borough |
| 9 | Bridgend | 139,400 | 566 | County borough |
| 10 | Wrexham | 135,100 | 270 | County borough |
| 11 | Powys | 133,100 | 26 | County |
| 12 | Vale of Glamorgan | 126,700 | 377 | County borough |
| 13 | Pembrokeshire | 122,600 | 77 | County |
| 14 | Gwynedd | 121,500 | 48 | County |
| 15 | Conwy | 115,300 | 102 | County borough |
| 16 | Denbighshire | 93,900 | 111 | County |
| 17 | Monmouthshire | 91,500 | 107 | County |
| 18 | Torfaen | 91,200 | 723 | County borough |
| 19 | Ceredigion | 75,300 | 43 | County |
| 20 | Anglesey | 69,900 | 98 | County |
| 21 | Blaenau Gwent | 69,800 | 640 | County borough |
| 22 | Merthyr Tydfil | 58,900 | 530 | County borough |
References
"Mid-Year Population Estimates, UK, June 2022". Office for National Statistics. 26 March 2024. Retrieved 3 May 2024.