7 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Franklin | Merrimack County | 8,770 |
| Farmington | Strafford County | 6,850 |
| Fremont | Rockingham County | 4,897 |
| Fitzwilliam | Cheshire County | 2,478 |
| Freedom | Carroll County | 1,723 |
| Francestown | Hillsborough County | 1,643 |
| Franconia | Grafton County | 1,137 |