| City | 2026 Pop. ↓ |
|---|---|
| Newham | 385,122 |
| North Lanarkshire | 345,840 |
| Northumberland | 335,376 |
| Nottingham | 335,171 |
| Newcastle upon Tyne | 328,349 |
| North Somerset | 227,819 |
| North Tyneside | 217,804 |
| New Forest | 175,741 |
| Newport | 172,428 |
| North Lincolnshire | 171,812 |
| North East Lincolnshire | 160,083 |
| Norwich | 149,154 |
| Nuneaton and Bedworth | 144,622 |
| Neath Port Talbot | 144,049 |
| North Hertfordshire | 138,463 |
| North Ayrshire | 133,524 |
| Newark and Sherwood | 130,132 |
| Newcastle-under-Lyme | 128,589 |
| North Kesteven | 125,007 |
| North West Leicestershire | 115,656 |
| North East Derbyshire | 108,382 |
| North Norfolk | 103,495 |
| North Devon | 102,935 |
| North Warwickshire | 68,145 |
| Na h-Eileanan Siar | 25,822 |