| City | County | 2026 Pop. ↓ |
|---|---|---|
| West Monroe | Ouachita Parish | 12,355 |
| Woodmere | Jefferson Parish | 11,705 |
| Waggaman | Jefferson Parish | 10,756 |
| Westwego | Jefferson Parish | 8,269 |
| Walker | Livingston Parish | 6,492 |
| Westlake | Calcasieu Parish | 4,711 |
| Winnfield | Winn Parish | 4,553 |
| Winnsboro | Franklin Parish | 4,510 |
| Welsh | Jefferson Davis Parish | 3,275 |
| Woodworth | Rapides Parish | 1,758 |
| Watson | Livingston Parish | 1,608 |
| White Castle | Iberville Parish | 1,557 |
| Wallace | St. John the Baptist Parish | 1,547 |
| Welcome | St. James Parish | 740 |
| Wisner | Franklin Parish | 736 |
| Washington | St. Landry Parish | 696 |
| Wallace Ridge | Catahoula Parish | 648 |
| Waterproof | Tensas Parish | 478 |
| Wilson | East Feliciana Parish | 359 |