9 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Rochester city | Strafford County | 34,305 |
| Raymond town | Rockingham County | 10,942 |
| Rindge town | Cheshire County | 6,795 |
| Rye town | Rockingham County | 5,567 |
| Rollinsford town | Strafford County | 2,676 |
| Rumney town | Grafton County | 1,482 |
| Richmond town | Cheshire County | 1,245 |
| Randolph town | Coos County | 321 |
| Roxbury town | Cheshire County | 222 |