9 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Rochester | Strafford County | 33,673 |
| Raymond | Rockingham County | 11,054 |
| Rindge | Cheshire County | 6,591 |
| Rye | Rockingham County | 5,706 |
| Rollinsford | Strafford County | 2,673 |
| Rumney | Grafton County | 1,489 |
| Richmond | Cheshire County | 1,247 |
| Randolph | Coos County | 327 |
| Roxbury | Cheshire County | 225 |