22 cities
| City | County | 2026 Pop. ↓ |
|---|---|---|
| New Gloucester | Cumberland County | 5,997 |
| Norway | Oxford County | 5,366 |
| North Berwick | York County | 5,351 |
| North Yarmouth | Cumberland County | 4,438 |
| Naples | Cumberland County | 4,186 |
| Norridgewock | Somerset County | 3,307 |
| Newport | Penobscot County | 3,171 |
| Nobleboro | Lincoln County | 1,935 |
| Newcastle | Lincoln County | 1,894 |
| Newburgh | Penobscot County | 1,793 |
| Newfield | York County | 1,691 |
| Northport | Waldo County | 1,669 |
| New Sharon | Franklin County | 1,638 |
| New Vineyard | Franklin County | 786 |
| New Portland | Somerset County | 763 |
| New Sweden | Aroostook County | 564 |
| New Limerick | Aroostook County | 556 |
| Newry | Oxford County | 429 |
| North Haven | Knox County | 416 |
| New Canada | Aroostook County | 305 |
| Northfield | Washington County | 176 |
| Nashville | Aroostook County | 26 |