27 cities
| City | 2025 Pop. ↓ |
|---|---|
| Fylde | 76,500 |
| Folkestone | 66,429 |
| Farnborough | 59,902 |
| Fareham | 57,390 |
| Fleet | 38,726 |
| Farnham | 36,971 |
| Falkirk | 35,310 |
| Felling | 34,355 |
| Falmouth | 31,988 |
| Felixstowe | 29,171 |
| Flint | 26,442 |
| Frome | 26,203 |
| Farnworth | 25,680 |
| Fleetwood | 25,359 |
| Feltham | 24,325 |
| Formby | 23,329 |
| Failsworth | 20,555 |
| Faversham | 19,829 |
| Ferndown | 17,650 |
| Frinton-on-Sea | 16,941 |
| Featherstone | 14,175 |
| Fallowfield | 14,132 |
| Forfar | 13,970 |
| Fraserburgh | 13,140 |
| Flitwick | 12,983 |
| Frimley | 12,739 |
| Featherstone | 11,060 |