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