First-level division
🇺🇸 Louisiana
Subdivisions
East Baton Rouge
Population 440,171
Jefferson
Population 432,552
Orleans
Population 343,829
Saint Tammany
Population 264,570
Caddo
Population 254,969
Lafayette
Population 221,578
Calcasieu
Population 192,768
Ouachita
Population 153,720
Rapides
Population 131,613
Livingston
Population 128,026
Tangipahoa
Population 121,097
Bossier
Population 116,979
Terrebonne Parish
Population 111,860
Ascension
Population 107,215
Lafourche Parish
Population 96,318
Saint Landry
Population 80,765
Iberia
Population 73,240
Acadia
Population 61,773
Vermilion Parish
Population 57,999
Vernon
Population 52,334
Saint Martin
Population 51,106
Saint Charles
Population 50,586
St. Mary Parish
Population 49,774
Washington
Population 47,168
Lincoln
Population 46,735
Saint Bernard
Population 45,642
Saint John the Baptist Parish
Population 42,477
Avoyelles Parish
Population 42,073
Webster
Population 41,207
Natchitoches
Population 39,566
Beauregard
Population 35,654
Evangeline
Population 33,984
Iberville
Population 33,387
Jefferson Davis
Population 31,594
Morehouse
Population 27,979
De Soto Parish
Population 26,656
Allen
Population 25,764
Sabine
Population 24,233
West Baton Rouge
Population 23,788
Plaquemines
Population 23,515
Assumption Parish
Population 23,421
Pointe Coupee Parish
Population 22,802
Union
Population 22,721
Grant
Population 22,309
Concordia
Population 20,822
Franklin
Population 20,767
East Feliciana
Population 20,267
Richland
Population 20,192
Saint James
Population 18,938
Claiborne
Population 17,195
Jackson
Population 16,274
West Feliciana
Population 15,625
Winn
Population 15,313
LaSalle Parish
Population 14,890
Bienville
Population 14,353
Madison
Population 12,093
West Carroll
Population 11,604
Saint Helena Parish
Population 10,758
Catahoula
Population 10,407
Caldwell
Population 10,132
Red River
Population 9,091
East Carroll
Population 7,759
Cameron
Population 6,839
Tensas Parish
Population 5,252