16 cities
| City | Parish | 2025 Pop. ↓ |
|---|---|---|
| Fort Polk South | Allen Parish | 8,149 |
| Franklin | St. Mary Parish | 6,187 |
| Franklinton | Washington Parish | 3,580 |
| Farmerville | Union Parish | 3,355 |
| Ferriday | Concordia Parish | 2,946 |
| Fort Polk North | Vernon Parish | 1,878 |
| Fifth Ward | Avoyelles Parish | 1,234 |
| French Settlement | Livingston Parish | 1,172 |
| Fordoche | Pointe Coupee Parish | 851 |
| Folsom | St. Tammany Parish | 842 |
| Forest Hill | Rapides Parish | 613 |
| Florien | Sabine Parish | 540 |
| Fort Jesup | Sabine Parish | 476 |
| Forest | West Carroll Parish | 282 |
| Fenton | Jefferson Davis Parish | 213 |
| Fisher | Sabine Parish | 186 |