List of metropolitan areas of Louisiana
# List of metropolitan areas of Louisiana

| Rank | Metropolitan Area | Population 2009 estimates |
| - | - | - |
| 1 | New Orleans | 1,189,981 |
| 2 | Baton Rouge | 786,947 |
| 3 | Shreveport | 391,516 |
| 4 | Lafayette | 263,171 |
| 5 | Houma-Bayou Cane-Thibodaux | 202,973 |
| 6 | Lake Charles | 194,138 |
| 7 | Monroe | 174,086 |
| 8 | Alexandria | 154,101 |
| 9 | Hammond | 128,755 |
| | | 3,356,913 |
| Rank | Combined Statistical area | Population 2009 estimates |
| 1 | New Orleans–Metairie–Hammond | 1,235,650 |
| 2 | Lafayette-Opelousas-Morgan City | 546,834 |
| 3 | Monroe-Ruston-Bastrop | 202,309 |
| 4 | Lake Charles–Jennings | 225,235 |
| 5 | DeRidder-Fort Polk South | 82,035 |
