19 cities
| City | Parish | 2026 Pop. ↓ |
|---|---|---|
| West Monroe | Ouachita Parish | 12,188 |
| Woodmere | Jefferson Parish | 11,705 |
| Waggaman | Jefferson Parish | 10,756 |
| Westwego | Jefferson Parish | 8,076 |
| Walker | Livingston Parish | 6,419 |
| Westlake | Calcasieu Parish | 4,625 |
| Winnsboro | Franklin Parish | 4,482 |
| Winnfield | Winn Parish | 3,903 |
| Welsh | Jefferson Davis Parish | 3,247 |
| Woodworth | Rapides Parish | 1,752 |
| Watson | Livingston Parish | 1,608 |
| White Castle | Iberville Parish | 1,562 |
| Wallace | St. John the Baptist Parish | 1,547 |
| Welcome | St. James Parish | 740 |
| Wisner | Franklin Parish | 732 |
| Washington | St. Landry Parish | 695 |
| Wallace Ridge | Catahoula Parish | 648 |
| Waterproof | Tensas Parish | 489 |
| Wilson | East Feliciana Parish | 364 |