List of Louisiana metropolitan areas
# List of Louisiana metropolitan areas

The U.S. state of Louisiana has a total of nine metropolitan statistical areas (MSAs); 30 of Louisiana's sixty-four (64) parishes are classified as metropolitan. According to the 2010 United States census, these parishes had a combined population of 3,340,667 (74.8% of the state's population). Based on a July 1, 2009, population estimate, that figure had increased to 3,356,913 (74.7% of the state's population).

The following table lists Louisiana's metropolitan areas, ranked by population as of the 2020 American Community Survey's census estimates program.

| Louisiana rank | urban Area | Parishes | Population |
| - | - | - | - |
| 1 | New Orleans–Metairie–Kenner | (7); Jefferson, Orleans, Plaquemines, St. Bernard, St. Charles, St. John the Baptist, St. Tammany | 1,271,651 (see note) |
| 2 | Baton Rouge | (9); Ascension, East Baton Rouge, East Feliciana, Iberville, Livingston, Pointe Coupee, St. Helena, West Baton Rouge, West Feliciana | 856,779 |
| 3 | Lafayette | (5); Lafayette, St. Martin, Acadia, Iberia, Vermilion | 490,220 |
| 4 | Shreveport–Bossier City | (3); Bossier, Caddo, De Soto | 397,590 |
| 5 | Lake Charles | (2); Calcasieu, Cameron | 209,821 |
| 6 | Houma–Bayou Cane–Thibodaux | (2); Lafourche, Terrebonne | 209,277 |
| 7 | Monroe | (2); Ouachita, Union | 202,138 |
| 8 | Alexandria | (2); Grant, Rapides | 152,715 |
| 9 | Hammond | (1); Tangipahoa | 133,753 |
| Note: The New Orleans–Metairie–Kenner was significantly affected by Hurricane Katrina in August 2005 which resulted in a significant loss of population. ||||
