16 cities
| City | Parish | 2025 Pop. ↓ |
|---|---|---|
| New Orleans | Jefferson Parish | 357,532 |
| New Iberia | Iberia Parish | 26,460 |
| Natchitoches | Natchitoches Parish | 16,935 |
| New Roads | Pointe Coupee Parish | 4,234 |
| New Orleans Station | Plaquemines Parish | 3,625 |
| Natalbany | Tangipahoa Parish | 3,096 |
| Norco | St. Charles Parish | 2,791 |
| New Llano | Vernon Parish | 2,027 |
| North Vacherie | St. James Parish | 1,588 |
| New Sarpy | St. Charles Parish | 1,059 |
| Newellton | Tensas Parish | 812 |
| Napoleonville | Assumption Parish | 497 |
| Natchez | Natchitoches Parish | 481 |
| North Hodge | Jackson Parish | 288 |
| Norwood | East Feliciana Parish | 266 |
| Noble | Sabine Parish | 204 |