City | 2024 Population |
|---|---|
| Lagrange | 646 |
| Lake Arrowhead | 3,065 |
| Lake View | 158 |
| Lakeville | 106 |
| Lamoine | 1,798 |
| Lebanon | 6,752 |
| Lee | 922 |
| Leeds | 2,326 |
| Levant | 3,200 |
| Lewiston | 38,835 |
| Liberty | 947 |
| Limerick | 3,797 |
| Limestone | 963 |
| Limington | 4,181 |
| Lincoln | 2,436 |
| Lincolnville | 2,440 |
| Linneus | 968 |
| Lisbon | 3,498 |
| Lisbon Falls | 4,105 |
| Litchfield | 3,770 |
| Little Falls | 1,037 |
| Littlejohn Island | 53 |
| Littleton | 1,031 |
| Livermore | 2,193 |
| Livermore Falls | 1,842 |
| Long Island | 231 |
| Louds Island | 2 |
| Lovell | 1,186 |
| Lowell | 389 |
| Lubec | 235 |
| Ludlow | 474 |
| Lyman | 4,680 |