| City | County | 2026 Pop. ↓ |
|---|---|---|
| Hampden | Penobscot County | 8,118 |
| Hermon | Penobscot County | 7,037 |
| Houlton | Aroostook County | 6,097 |
| Harpswell | Cumberland County | 5,124 |
| Hollis | York County | 5,038 |
| Holden | Penobscot County | 3,454 |
| Harrison | Cumberland County | 2,678 |
| Hallowell | Kennebec County | 2,633 |
| Hancock | Hancock County | 2,623 |
| Hartland | Somerset County | 1,927 |
| Hope | Knox County | 1,742 |
| Hiram | Oxford County | 1,722 |
| Hudson | Penobscot County | 1,511 |
| Hebron | Oxford County | 1,298 |
| Hodgdon | Aroostook County | 1,286 |
| Hartford | Oxford County | 1,276 |
| Howland | Penobscot County | 1,164 |
| Harrington | Washington County | 1,002 |
| Harmony | Somerset County | 827 |
| Hanover | Oxford County | 306 |
| Hamlin | Aroostook County | 161 |
| Haynesville | Aroostook County | 98 |
| Hammond | Aroostook County | 88 |
| Hersey | Aroostook County | 79 |
| Highland | Somerset County | 54 |
| Hibberts gore | Lincoln County | 0 |