The U.S. state of Louisiana has a total of ten metropolitan statistical areas (MSAs); 37 of Louisiana's sixty-four (64) parishes are classified as metropolitan.[1] According to the 2020 United States census, these parishes had a combined population of 3,918,560 (84.1% of the state's population).
The following table lists Louisiana's metropolitan areas, ranked by population as of the 2023 American Community Survey's census estimates program.[2]
| Louisiana rank | Metro Area | Parishes | Population | ||
|---|---|---|---|---|---|
| align=right | 1 | New Orleans - Metairie | align=right | 962,165 | |
| align=right | 2 | Baton Rouge | align=right | 873,661 | |
| align=right | 3 | Lafayette | (4); Acadia, Lafayette, St. Martin, Vermilion | align=right | 414,288 |
| align=right | 4 | Shreveport - Bossier City | (3); Bossier, Caddo, De Soto | align=right | 383,295 |
| 5 | Slidell - Mandeville - Covington | (1); St. Tammany | 275,583 | ||
| 6 | Lake Charles | (3); Calcasieu, Cameron, Jefferson Davis | 240,082 | ||
| 7 | Monroe | (4); Morehouse, Ouachita, Richland, Union | 221,885 | ||
| 8 | Houma - Bayou Cane - Thibodaux | (2); Lafourche, Terrebonne | 198,672 | ||
| 9 | Alexandria | (2); Grant, Rapides | 148,171 | ||
| 10 | Hammond | (1); Tangipahoa | 138,064 |