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