24 cities
| City | County | 2025 Pop. ↓ |
|---|---|---|
| New Bedford city | Bristol County | 100,819 |
| Newton city | Middlesex County | 89,541 |
| Natick town | Middlesex County | 36,630 |
| North Andover town | Essex County | 32,269 |
| Needham town | Norfolk County | 32,197 |
| Norwood town | Norfolk County | 31,000 |
| Northampton city | Hampshire County | 29,272 |
| Norton town | Bristol County | 19,222 |
| Newburyport city | Essex County | 18,877 |
| North Reading town | Middlesex County | 16,900 |
| Northbridge town | Worcester County | 16,615 |
| Northborough town | Worcester County | 15,659 |
| Nantucket town | Nantucket County | 14,446 |
| North Adams city | Berkshire County | 12,353 |
| Norfolk town | Norfolk County | 11,666 |
| Norwell town | Plymouth County | 11,329 |
| Newbury town | Essex County | 6,904 |
| North Brookfield town | Worcester County | 4,696 |
| Nahant town | Essex County | 3,322 |
| Northfield town | Franklin County | 2,839 |
| New Marlborough town | Berkshire County | 1,479 |
| New Salem town | Franklin County | 1,026 |
| New Braintree town | Worcester County | 993 |
| New Ashford town | Berkshire County | 247 |