13 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| Dartmouth | Bristol County | 33,475 |
| Dracut | Middlesex County | 32,417 |
| Danvers | Essex County | 28,052 |
| Dedham | Norfolk County | 24,876 |
| Duxbury | Plymouth County | 16,331 |
| Dennis | Barnstable County | 14,871 |
| Dudley | Worcester County | 11,791 |
| Douglas | Worcester County | 9,371 |
| Dighton | Bristol County | 8,218 |
| Dalton | Berkshire County | 6,110 |
| Dover | Norfolk County | 5,862 |
| Deerfield | Franklin County | 5,198 |
| Dunstable | Middlesex County | 3,474 |