10 cities
| City | Parish | 2025 Pop. ↓ |
|---|---|---|
| Kenner | Jefferson Parish | 61,359 |
| Kaplan | Vermilion Parish | 4,055 |
| Kentwood | Tangipahoa Parish | 2,192 |
| Kinder | Allen Parish | 2,002 |
| Killian | Livingston Parish | 1,263 |
| Kraemer | Lafourche Parish | 1,177 |
| Krotz Springs | St. Landry Parish | 879 |
| Kilbourne | West Carroll Parish | 322 |
| Keachi | Caddo Parish | 248 |
| Killona | St. Charles Parish | 129 |