448 cities and towns
| Abbreviation | WLS |
| State Population | 3,138,811 |
| # | City | Population | Median Income | Home Value | Median Rent | Median Age |
|---|---|---|---|---|---|---|
| 1 | Cardiff | 372,089 | N/A | N/A | N/A | 40.6 |
| 2 | Swansea | 300,352 | N/A | N/A | N/A | 40.6 |
| 3 | Newport | 161,506 | N/A | N/A | N/A | 40.6 |
| 4 | Wrexham | 65,692 | N/A | N/A | N/A | 40.6 |
| 5 | Buckley | 63,576 | N/A | N/A | N/A | 40.6 |
| 6 | Tonypandy | 62,545 | N/A | N/A | N/A | 40.6 |
| 7 | Rhondda | 59,450 | N/A | N/A | N/A | 40.6 |
| 8 | Barry | 54,673 | N/A | N/A | N/A | 40.6 |
| 9 | Bridgend | 49,597 | N/A | N/A | N/A | 40.6 |
| 10 | Llanelli | 49,591 | N/A | N/A | N/A | 40.6 |
| 11 | Cwmbran | 48,157 | N/A | N/A | N/A | 40.6 |
| 12 | Neath | 46,126 | N/A | N/A | N/A | 40.6 |
| 13 | Merthyr Tydfil | 43,820 | N/A | N/A | N/A | 40.6 |
| 14 | Coity | 41,352 | N/A | N/A | N/A | 40.6 |
| 15 | Pontypool | 35,686 | N/A | N/A | N/A | 40.6 |
| 16 | Briton Ferry | 35,179 | N/A | N/A | N/A | 40.6 |
| 17 | Colwyn Bay | 34,284 | N/A | N/A | N/A | 40.6 |
| 18 | Ebbw Vale | 33,068 | N/A | N/A | N/A | 40.6 |
| 19 | Deeside | 32,000 | N/A | N/A | N/A | 40.6 |
| 20 | Aberdare | 31,135 | N/A | N/A | N/A | 40.6 |
| 21 | Caerphilly | 31,060 | N/A | N/A | N/A | 40.6 |
| 22 | Pontypridd | 30,420 | N/A | N/A | N/A | 40.6 |
| 23 | Flint | 26,442 | N/A | N/A | N/A | 40.6 |
| 24 | Rhyl | 25,874 | N/A | N/A | N/A | 40.6 |
| 25 | Hawarden | 25,513 | N/A | N/A | N/A | 40.6 |
| 26 | Rhosllannerchrugog | 25,362 | N/A | N/A | N/A | 40.6 |
| 27 | Ammanford | 23,709 | N/A | N/A | N/A | 40.6 |
| 28 | Penarth | 23,437 | N/A | N/A | N/A | 40.6 |
| 29 | Maesteg | 21,001 | N/A | N/A | N/A | 40.6 |
| 30 | Gorseinon | 20,581 | N/A | N/A | N/A | 40.6 |
| 31 | Risca | 20,443 | N/A | N/A | N/A | 40.6 |
| 32 | Clydach | 19,307 | N/A | N/A | N/A | 40.6 |
| 33 | Aberystwyth | 18,749 | N/A | N/A | N/A | 40.6 |
| 34 | Prestatyn | 18,701 | N/A | N/A | N/A | 40.6 |
| 35 | Bangor | 18,322 | N/A | N/A | N/A | 40.6 |
| 36 | Brymbo | 18,111 | N/A | N/A | N/A | 40.6 |
| 37 | Abergele | 17,769 | N/A | N/A | N/A | 40.6 |
| 38 | Gelligaer | 17,376 | N/A | N/A | N/A | 40.6 |
| 39 | Chepstow | 16,169 | N/A | N/A | N/A | 40.6 |
| 40 | Carmarthen | 15,854 | N/A | N/A | N/A | 40.6 |
| 41 | Porthcawl | 15,672 | N/A | N/A | N/A | 40.6 |
| 42 | Blackwood | 15,476 | N/A | N/A | N/A | 40.6 |
| 43 | Llandudno | 15,371 | N/A | N/A | N/A | 40.6 |
| 44 | Brynmawr | 14,924 | N/A | N/A | N/A | 40.6 |
| 45 | Tredegar | 14,855 | N/A | N/A | N/A | 40.6 |
| 46 | Abergavenny | 14,651 | N/A | N/A | N/A | 40.6 |
| 47 | Haverfordwest | 14,596 | N/A | N/A | N/A | 40.6 |
| 48 | Llantrisant | 14,422 | N/A | N/A | N/A | 40.6 |
| 49 | Llantwit Major | 14,384 | N/A | N/A | N/A | 40.6 |
| 50 | Whitchurch | 13,974 | N/A | N/A | N/A | 40.6 |