10 cities
| City | Parish | 2026 Pop. ↓ |
|---|---|---|
| Kenner | Jefferson Parish | 63,830 |
| Kaplan | Vermilion Parish | 4,079 |
| Kentwood | Tangipahoa Parish | 2,215 |
| Kinder | Allen Parish | 2,058 |
| Killian | Livingston Parish | 1,293 |
| Kraemer | Lafourche Parish | 977 |
| Krotz Springs | St. Landry Parish | 863 |
| Kilbourne | West Carroll Parish | 322 |
| Keachi | Caddo Parish | 249 |
| Killona | St. Charles Parish | 55 |