9 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Rochester | Strafford County | 33,748 |
| Raymond | Rockingham County | 11,096 |
| Rindge | Cheshire County | 6,639 |
| Rye | Rockingham County | 5,749 |
| Rollinsford | Strafford County | 2,687 |
| Rumney | Grafton County | 1,483 |
| Richmond | Cheshire County | 1,255 |
| Randolph | Coos County | 327 |
| Roxbury | Cheshire County | 225 |