Contents
The districts of Wales as well as all cities and towns (as census-defined urban areas) of more than 20,000 inhabitants.
Districts
| | Name | Abbr. | Status | Adm. | Capital | A (km²) | C 1991-04-05 | C 2001-04-29 | C 2011-03-27 |
| i | Blaenau Gwent | BGW | Dist | WAL | | 109 | 72,254 | 70,064 | 69,814 |
| i | Bridgend (Pen-y-bont ar Ogwr) | BRD | Dist | WAL | | 251 | 128,836 | 128,645 | 139,178 |
| i | Caerphilly (Caerffili) | CAE | Dist | WAL | | 277 | 169,577 | 169,519 | 178,806 |
| i | Cardiff (Caerdydd) | CAR | Dist | WAL | | 139 | 285,531 | 305,353 | 346,090 |
| i | Carmarthenshire (Sir Gaerfyrddin) | CMT | Dist | WAL | | 2,371 | 167,652 | 172,842 | 183,777 |
| i | Ceredigion | CER | Dist | WAL | | 1,794 | 62,698 | 74,941 | 75,922 |
| i | Conwy | CON | Dist | WAL | | 1,126 | 106,320 | 109,596 | 115,228 |
| i | Denbighshire (Sir Ddinbych) | DEN | Dist | WAL | | 837 | 88,711 | 93,065 | 93,734 |
| i | Flintshire (Sir y Fflint) | FLI | Dist | WAL | | 438 | 141,344 | 148,594 | 152,506 |
| i | Gwynedd | GWY | Dist | WAL | | 2,535 | 113,331 | 116,843 | 121,874 |
| i | Isle of Anglesey (Ynys Môn) | AGY | Dist | WAL | | 711 | 69,149 | 66,829 | 69,751 |
| i | Merthyr Tydfil (Merthyr Tudful) | MTY | Dist | WAL | | 111 | 59,317 | 55,981 | 58,802 |
| i | Monmouthshire (Sir Fynwy) | MMS | Dist | WAL | | 849 | 79,936 | 84,885 | 91,323 |
| i | Neath Port Talbot (Castell-nedd Port Talbot) | NPT | Dist | WAL | | 441 | 138,223 | 134,468 | 139,812 |
| i | Newport (Casnewydd) | NEW | Dist | WAL | | 190 | 133,318 | 137,011 | 145,736 |
| i | Pembrokeshire (Sir Benfro) | PEM | Dist | WAL | | 1,610 | 113,193 | 114,131 | 122,439 |
| i | Powys | POW | Dist | WAL | | 5,181 | 119,018 | 126,354 | 132,976 |
| i | Rhondda Cynon Taf | RHO | Dist | WAL | | 424 | 232,593 | 231,946 | 234,410 |
| i | Swansea (Abertawe) | SWA | Dist | WAL | | 378 | 223,205 | 223,301 | 239,023 |
| i | The Vale of Glamorgan (Bro Morgannwg) | VOG | Dist | WAL | | 331 | 117,204 | 119,292 | 126,336 |
| i | Torfaen (Tor-faen) | TOR | Dist | WAL | | 126 | 90,527 | 90,949 | 91,075 |
| i | Wrexham (Wrecsam) | WRX | Dist | WAL | | 504 | 123,136 | 128,476 | 134,844 |
| i | Wales (Cymru) | WAL | | | Cardiff | 20,732 | 2,835,073 | 2,903,085 | 3,063,456 |
| | Great Britain and Northern Ireland | GBR | | | London | 242,910 | 56,466,680 | 58,789,194 | 61,371,000 |
- UK National Statistics (web).
Principal Cities
Cities & Towns
| | Name | Adm. | CU C 1981-04-05 | CU C 1991-04-05 | CU C 2001-04-29 |
| i | Aberdare | RHO | 31,617 | 29,040 | 31,705 |
| i | Barry | VOG | 44,443 | 49,887 | 50,661 |
| i | Bridgend | BRD | 31,008 | 35,841 | 39,429 |
| i | Caerphilly | CAE | 28,681 | 28,481 | 31,060 |
| i | Cardiff | CAR | 262,313 | 272,129 | 292,150 |
| i | Colwyn Bay | CON | 27,002 | 29,883 | 30,269 |
| i | Cwmbran | TOR | 44,592 | 46,021 | 47,254 |
| i | Ebbw Vale | BGW | 21,048 | 19,484 | 18,558 |
| i | Llanelli | CMT | 45,336 | 44,953 | 46,357 |
| i | Maesteg | BRD | 21,821 | 20,576 | 18,395 |
| i | Merthyr Tydfil | MTY | ... | ... | 30,483 |
| i | Mountain Ash / Abercynon | RHO | 23,520 | 21,301 | 20,053 |
| i | Neath | NPT | 48,687 | 45,965 | 45,898 |
| i | Newport | NEW | 115,896 | 115,522 | 116,143 |
| i | Penarth | VOG | 22,467 | 23,434 | 23,245 |
| i | Pontypool | TOR | 36,064 | 35,564 | 35,447 |
| i | Pontypridd | RHO | 29,465 | 28,487 | 29,781 |
| i | Port Talbot | NPT | 40,078 | 37,647 | 35,633 |
| i | Rhondda | RHO | 70,980 | 59,947 | 59,602 |
| i | Rhyl | DEN | 23,130 | 24,909 | 25,390 |
| i | Risca | CAE | ... | ... | 20,219 |
| i | Shotton / Hawarden | FLI | 22,361 | 23,319 | 24,751 |
| i | Swansea | SWA | 172,433 | 171,038 | 169,880 |
| i | Wrexham | WRX | 39,929 | 40,614 | 42,576 |
- (1981) provided by Ulrich Buys.
(1991) (2001) UK National Statistics (web).