7 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Franklin | Merrimack County | 8,857 |
| Farmington | Strafford County | 6,762 |
| Fremont | Rockingham County | 4,987 |
| Fitzwilliam | Cheshire County | 2,547 |
| Freedom | Carroll County | 1,696 |
| Francestown | Hillsborough County | 1,655 |
| Franconia | Grafton County | 1,162 |