| Blaenau Gwent | Ebbw Vale | 109 | 70,058 | 68,800 | 69,200 |
| Bridgend [Pen-y-bont ar Ogwr] | Bridgend | 246 | 128,650 | 130,400 | 133,900 |
| Caerphilly [Caerffili] | Hengoed | 278 | 169,521 | 170,700 | 171,800 |
| Cardiff [Caerdydd] | Cardiff | 140 | 305,340 | 316,800 | 321,000 |
| Carmarthenshire [Gaerfyrddin Sir] | Carmarthen | 2,395 | 173,635 | 177,600 | 179,500 |
| Ceredigion [Ceredigion Sir] | Aberaeron | 1,795 | 75,384 | 78,100 | 77,800 |
| Conwy | Conwy | 1,130 | 109,597 | 111,800 | 111,700 |
| Denbighshire [Ddinbych Sir] | Ruthin | 844 | 93,092 | 95,600 | 97,000 |
| Flintshire [Fflint Sir y] | Mold | 438 | 148,565 | 150,100 | 150,500 |
| Gwynedd | Caernarfon | 2,548 | 116,838 | 118,100 | 118,400 |
| Isle of Anglesey [Ynys Môn Sir] | Llangefni | 714 | 66,828 | 68,700 | 69,000 |
| Merthyr Tydfil [Merthyr Tudful] | Merthyr Tydfil | 111 | 55,983 | 55,100 | 55,600 |
| Monmouthshire [Fynwy Sir] | Cwmbran | 850 | 84,879 | 87,200 | 88,200 |
| Neath Port Talbot [Castell-nedd Port Talbot] | Port Talbot | 442 | 134,471 | 135,800 | 137,400 |
| Newport [Casnewydd] | Newport | 190 | 137,017 | 139,500 | 140,200 |
| Pembrokeshire [Benfro Sir] | Haverfordwest | 1,590 | 112,901 | 117,300 | 117,900 |
| Powys | Llandrindod Wells | 5,196 | 126,344 | 130,700 | 132,000 |
| Rhondda Cynon Taff [Rhondda Cynon Taf] | Tonypandy | 424 | 231,952 | 231,800 | 233,700 |
| Swansea [Abertawe] | Swansea | 378 | 223,293 | 225,500 | 228,100 |
| The Vale of Glamorgan [Bro Morgannwg] | Barry | 335 | 119,293 | 122,300 | 124,000 |
| Torfaen [Tor-faen] | Pontypool | 126 | 90,967 | 90,400 | 91,100 |
| Wrexham [Wrecsam] | Wrexham | 498 | 128,477 | 130,200 | 131,900 |
| total | | 20,779 | 2,903,085 | 2,952,500 | 2,965,900 |