20 cities
| City | Rank | County | 2025 Pop. ↓ |
|---|---|---|---|
| Berlin | 1 | Coos County | 9,317 |
| Lancaster | 2 | Coos County | 3,211 |
| Gorham | 3 | Coos County | 2,648 |
| Whitefield | 4 | Coos County | 2,578 |
| Colebrook | 5 | Coos County | 2,108 |
| Northumberland | 6 | Coos County | 2,084 |
| Milan | 7 | Coos County | 1,368 |
| Jefferson | 8 | Coos County | 1,067 |
| Dalton | 9 | Coos County | 908 |
| Pittsburg | 10 | Coos County | 843 |
| Carroll | 11 | Coos County | 830 |
| Stewartstown | 12 | Coos County | 765 |
| Columbia | 13 | Coos County | 676 |
| Stratford | 14 | Coos County | 649 |
| Stark | 15 | Coos County | 460 |
| Shelburne | 16 | Coos County | 354 |
| Dummer | 17 | Coos County | 321 |
| Randolph | 18 | Coos County | 321 |
| Errol | 19 | Coos County | 289 |
| Clarksville | 20 | Coos County | 280 |
Coos County is the county generally considered as North County New Hampshire.