List of Louisiana metropolitan areas

The U.S. state of Louisiana has a total of ten Metropolitan Statistical Areas (MSAs). Thirty-seven (37) of Louisiana's sixty-four (64) parishes are classified as metropolitan. As of 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 estimate.

 Louisianarank Metro Area Parishes Population 1 New Orleans–Metairie (7); Jefferson, Orleans, Plaquemines, St. Bernard, St. Charles, St. James, St. John the Baptist  962,165 2 Baton Rouge (10); Ascension, Assumption, East Baton Rouge, East Feliciana, Iberville, Livingston, Pointe Coupee, St. Helena, West Baton Rouge, West Feliciana  873,661 3 Lafayette (4); Acadia, Lafayette, St. Martin, Vermilion 414,288 4 Shreveport–Bossier City (3); Bossier, Caddo, De Soto 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

Louisiana parishes classified as part of a Metropolitan Statistical Area from 1950 to 2003


References