47 cities
| City | 2025 Pop. ↓ |
|---|---|
| Preston | 338,446 |
| Portsmouth | 248,748 |
| Plymouth | 240,297 |
| Peterborough | 179,349 |
| Poole | 150,092 |
| Paisley | 77,250 |
| Purley | 72,000 |
| Peckham | 71,552 |
| Paignton | 49,886 |
| Perth | 47,180 |
| Pontefract | 44,710 |
| Prescot | 40,889 |
| Peterlee | 37,015 |
| Pontypool | 35,686 |
| Pudsey | 33,109 |
| Prestwich | 32,125 |
| Pontypridd | 30,420 |
| Pitsea | 25,000 |
| Plymstock | 24,103 |
| Portishead | 23,699 |
| Penarth | 23,437 |
| Potters Bar | 22,639 |
| Portadown | 22,000 |
| Portslade | 20,000 |
| Poulton-le-Fylde | 19,914 |
| Penzance | 19,872 |
| Pinner | 19,158 |
| Prestatyn | 18,701 |
| Peacehaven | 18,579 |
| Peterhead | 18,450 |
| Penicuik | 16,110 |
| Porthcawl | 15,672 |
| Port Glasgow | 15,190 |
| Penrith | 15,181 |
| Petersfield | 14,974 |
| Prestwick | 14,750 |
| Prenton | 14,429 |
| Pinxton | 14,357 |
| Poynton | 14,351 |
| Pyle | 13,701 |
| Portland | 12,710 |
| Prudhoe | 12,075 |
| Purfleet | 12,000 |
| Padiham | 11,338 |
| Penistone | 10,956 |
| Pelsall | 10,758 |
| Ponteland | 10,135 |