20 cities
| City | Parish | 2025 Pop. ↓ |
|---|---|---|
| West Monroe | Ouachita Parish | 12,191 |
| Woodmere | Jefferson Parish | 11,556 |
| Waggaman | Jefferson Parish | 10,879 |
| Westwego | Jefferson Parish | 7,886 |
| Walker | Livingston Parish | 6,401 |
| Winnsboro | Franklin Parish | 4,547 |
| Westlake | Calcasieu Parish | 4,469 |
| Winnfield | Winn Parish | 3,791 |
| Welsh | Jefferson Davis Parish | 3,261 |
| Westminster | East Baton Rouge Parish | 2,882 |
| Woodworth | Rapides Parish | 1,724 |
| Wallace | St. John the Baptist Parish | 1,688 |
| White Castle | Iberville Parish | 1,554 |
| Watson | Livingston Parish | 1,545 |
| Welcome | St. James Parish | 840 |
| Wallace Ridge | Catahoula Parish | 756 |
| Wisner | Franklin Parish | 734 |
| Washington | St. Landry Parish | 708 |
| Waterproof | Tensas Parish | 453 |
| Wilson | East Feliciana Parish | 359 |