13 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| Dartmouth | Bristol County | 34,525 |
| Dracut | Middlesex County | 33,642 |
| Danvers | Essex County | 29,634 |
| Dedham | Norfolk County | 25,973 |
| Duxbury | Plymouth County | 16,653 |
| Dennis | Barnstable County | 14,662 |
| Dudley | Worcester County | 12,114 |
| Douglas | Worcester County | 9,758 |
| Dighton | Bristol County | 8,361 |
| Dover | Norfolk County | 6,353 |
| Dalton | Berkshire County | 6,162 |
| Deerfield | Franklin County | 5,175 |
| Dunstable | Middlesex County | 3,610 |