109 cities
| City | 2025 Pop. ↓ |
|---|---|
| Cardiff | 495,378 |
| Coventry | 454,584 |
| City of Westminster | 247,614 |
| Crawley | 180,508 |
| Croydon | 173,314 |
| Cambridge | 149,155 |
| Colchester | 121,859 |
| Chelmsford | 119,468 |
| Cheltenham | 116,447 |
| Chesterfield | 113,057 |
| Chester | 87,881 |
| Cannock | 86,121 |
| Crewe | 75,556 |
| Chatham | 75,509 |
| Carlisle | 74,536 |
| Canary Wharf | 73,390 |
| Canterbury | 64,495 |
| Castleford | 60,509 |
| Chelsea | 60,000 |
| Craigavon | 59,236 |
| Cheshunt | 57,374 |
| Corby | 56,810 |
| Castlereagh | 56,679 |
| Crosby | 52,140 |
| Cumbernauld | 51,610 |
| Clacton-on-Sea | 50,548 |
| Cwmbran | 48,157 |
| Carshalton | 45,525 |
| Coatbridge | 43,970 |
| Christchurch | 42,396 |
| Coity | 41,352 |
| Coalville | 38,245 |
| Canvey Island | 38,170 |
| Chester-le-Street | 36,917 |
| Chipping Sodbury | 36,108 |
| Chippenham | 35,800 |
| Colwyn Bay | 34,284 |
| Chorley | 33,888 |
| Cramlington | 33,180 |
| Cleethorpes | 32,017 |
| Chichester | 31,881 |
| Caerphilly | 31,060 |
| Camberley | 30,155 |
| Carrickfergus | 29,208 |
| Consett | 29,137 |
| Cheadle Hulme | 28,952 |
| Cambuslang | 27,610 |
| Cleckheaton | 27,393 |
| Clydebank | 26,640 |
| Congleton | 26,178 |
| Camden Town | 26,122 |
| Coleraine | 25,681 |
| Crowthorne | 25,522 |
| Coulsdon | 25,500 |
| Chapletown | 23,056 |
| Camborne | 22,500 |
| Cowes | 21,226 |
| Clevedon | 21,002 |
| Caterham | 20,957 |
| Chesham | 20,649 |
| Crowborough | 20,607 |
| Colne | 20,118 |
| Chalfont Saint Peter | 20,059 |
| Chislehurst | 20,000 |
| Chessington | 19,433 |
| Clydach | 19,307 |
| Chapel Allerton | 18,206 |
| Calne | 17,274 |
| Cirencester | 17,153 |
| Cobham | 16,724 |
| Cowley | 16,500 |
| Carterton | 16,364 |
| Chepstow | 16,169 |
| Conisbrough | 15,934 |
| Carmarthen | 15,854 |
| Cleveleys | 15,000 |
| Corsham | 14,906 |
| Clitheroe | 14,765 |
| Clayton-le-Woods | 14,528 |
| Canford Heath | 14,418 |
| Chafford Hundred | 13,466 |
| Carluke | 13,370 |
| Churchdown | 13,287 |
| Chard | 13,074 |
| Chelmsley Wood | 13,010 |
| Cinderford | 12,942 |
| Cheetham Hill | 12,846 |
| Chorleywood | 11,917 |
| Cudworth | 11,903 |
| Catterick Garrison | 11,804 |
| Cross Hills | 11,731 |
| Charlton Kings | 11,700 |
| Codsall | 11,673 |
| Cowdenbeath | 11,460 |
| Carnoustie | 11,430 |
| Cheadle | 11,404 |
| Caldicot | 11,373 |
| Crumpsall | 11,363 |
| Cheam | 11,286 |
| Cranleigh | 11,082 |
| Cookstown | 11,081 |
| Codicote | 10,938 |
| Chertsey | 10,553 |
| Coleford | 10,371 |
| Chigwell | 10,354 |
| Chatteris | 10,298 |
| Cosham | 10,226 |
| Collier Row | 10,100 |
| Crouch End | 10,075 |