TheU.S. state ofLouisiana has a total of tenmetropolitan statistical areas (MSAs); 37 of Louisiana's sixty-four (64)parishes are classified as metropolitan.[1] According to the2020 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 2023American Community Survey's census estimates program.[2]
| Louisiana rank | 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 |
