City | 2024 Population |
|---|---|
| Madisonville | 878 |
| Mamou | 2,781 |
| Mandeville | 13,052 |
| Mangham | 600 |
| Mansfield | 4,529 |
| Mansura | 1,264 |
| Many | 2,476 |
| Maringouin | 807 |
| Marion | 597 |
| Marksville | 4,759 |
| Marrero | 32,153 |
| Martin | 503 |
| Mathews | 1,219 |
| Maurice | 3,026 |
| McNary | 197 |
| Melville | 746 |
| Mer Rouge | 447 |
| Meraux | 7,651 |
| Mermentau | 490 |
| Merrydale | 7,893 |
| Merryville | 952 |
| Metairie | 138,958 |
| Midland | 259 |
| Midway | 731 |
| Milton | 2,850 |
| Minden | 11,042 |
| Minorca | 1,334 |
| Monroe | 46,285 |
| Montegut | 1,103 |
| Monterey | 105 |
| Montgomery | 618 |
| Monticello | 4,693 |
| Montpelier | 195 |
| Montz | 2,111 |
| Moonshine | 125 |
| Mooringsport | 695 |
| Moreauville | 921 |
| Morgan City | 10,695 |
| Morganza | 497 |
| Morrow | 122 |
| Morse | 598 |
| Moss Bluff | 11,840 |
| Mound | 11 |
| Mount Lebanon | 62 |