51 cities
| City | 2025 Pop. ↓ |
|---|---|
| Manchester | 2,832,580 |
| Middlesbrough | 397,527 |
| Milton Keynes | 229,941 |
| Mansfield | 171,958 |
| Mendip | 110,000 |
| Maidstone | 107,627 |
| Maidenhead | 64,831 |
| Macclesfield | 63,954 |
| Margate | 60,134 |
| Morley | 57,385 |
| Morecambe | 51,644 |
| Mitcham | 48,311 |
| Morden | 48,233 |
| Middleton | 45,589 |
| Merthyr Tydfil | 43,820 |
| Mangotsfield | 36,427 |
| Motherwell | 32,120 |
| Melton Mowbray | 27,158 |
| Maghull | 26,997 |
| Musselburgh | 23,620 |
| Market Harborough | 22,911 |
| Maldon | 21,462 |
| March | 21,051 |
| Maesteg | 21,001 |
| Melksham | 19,357 |
| Mirfield | 18,800 |
| Mansfield Woodhouse | 18,330 |
| Marlow | 18,261 |
| Marple | 18,241 |
| Moreton | 17,670 |
| Maltby | 17,513 |
| Mountsorrel | 17,297 |
| Mexborough | 15,079 |
| Matlock | 14,956 |
| Morpeth | 14,403 |
| Mildenhall | 14,382 |
| Middlewich | 13,595 |
| Milford Haven | 13,582 |
| Market Deeping | 13,574 |
| Mayfield | 13,140 |
| Milngavie | 13,110 |
| Milnrow | 13,061 |
| Mablethorpe | 12,531 |
| Minehead | 11,981 |
| Montrose | 11,880 |
| Market Drayton | 11,773 |
| Mountain Ash | 11,230 |
| Methil | 11,160 |
| Midsomer Norton | 10,458 |
| Monmouth | 10,110 |
| Mold | 10,058 |