14 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Revere | Suffolk County | 62,438 |
| Randolph Town | Norfolk County | 35,433 |
| Reading | Middlesex County | 26,385 |
| Rockland | Plymouth County | 17,763 |
| Raynham | Bristol County | 15,964 |
| Rehoboth | Bristol County | 13,832 |
| Rutland | Worcester County | 9,779 |
| Rockport | Essex County | 7,149 |
| Rowley | Essex County | 6,333 |
| Rochester | Plymouth County | 5,983 |
| Russell | Hampden County | 1,645 |
| Richmond | Berkshire County | 1,404 |
| Royalston | Worcester County | 1,298 |
| Rowe | Franklin County | 418 |