20 cities
| City | Rank | County | 2025 Pop. ↓ |
|---|---|---|---|
| Berlin | 1 | Coos County | 9,192 |
| Lancaster | 2 | Coos County | 3,201 |
| Gorham | 3 | Coos County | 2,667 |
| Whitefield | 4 | Coos County | 2,521 |
| Colebrook | 5 | Coos County | 2,098 |
| Northumberland | 6 | Coos County | 2,096 |
| Milan | 7 | Coos County | 1,351 |
| Jefferson | 8 | Coos County | 1,054 |
| Dalton | 9 | Coos County | 905 |
| Carroll | 10 | Coos County | 847 |
| Pittsburg | 11 | Coos County | 842 |
| Stewartstown | 12 | Coos County | 771 |
| Columbia | 13 | Coos County | 668 |
| Stratford | 14 | Coos County | 647 |
| Stark | 15 | Coos County | 464 |
| Shelburne | 16 | Coos County | 361 |
| Randolph | 17 | Coos County | 327 |
| Dummer | 18 | Coos County | 314 |
| Errol | 19 | Coos County | 291 |
| Clarksville | 20 | Coos County | 283 |
Coos County is the county generally considered as North County New Hampshire.