Population of Counties in Louisiana (2018)

Name 2018 Population Growth Since 2010
East Baton Rouge Parish446,2681.28%
Jefferson Parish439,0361.47%
Orleans Parish393,29213.07%
St. Tammany Parish256,3279.29%
Caddo Parish246,581-3.55%
Lafayette Parish242,4859.15%
Calcasieu Parish202,4454.87%
Ouachita Parish155,8741.24%
Livingston Parish138,2287.40%
Tangipahoa Parish132,4979.06%
Rapides Parish131,648-0.09%
Bossier Parish127,6348.51%
Ascension Parish122,94813.98%
Terrebonne Parish112,0860.51%
Lafourche Parish98,4261.75%
St. Landry Parish83,4970.01%
Iberia Parish72,176-1.49%
Acadia Parish62,5901.18%
Vermilion Parish60,1363.48%
St. Martin Parish54,1713.65%
St. Charles Parish52,749-0.12%
St. Mary Parish50,973-6.57%
Vernon Parish50,726-3.78%
Lincoln Parish47,7441.89%
Washington Parish46,633-1.03%
St. Bernard Parish46,20225.47%
St. John the Baptist Parish43,441-4.75%
Avoyelles Parish40,980-2.68%
Webster Parish39,378-4.41%
Natchitoches Parish39,021-1.28%
Beauregard Parish36,9283.05%
Evangeline Parish33,708-0.73%
Iberville Parish33,027-1.09%
Jefferson Davis Parish31,477-0.50%
De Soto Parish27,3402.52%
West Baton Rouge Parish26,2659.65%
Morehouse Parish25,641-8.00%
Allen Parish25,621-0.39%
Sabine Parish24,018-0.89%
Plaquemines Parish23,3480.97%
Union Parish22,571-1.16%
Assumption Parish22,526-3.46%
Grant Parish22,3360.00%
Pointe Coupee Parish22,268-2.40%
St. James Parish21,367-3.11%
Richland Parish20,411-1.68%
Franklin Parish20,260-2.64%
Concordia Parish19,866-4.67%
East Feliciana Parish19,412-3.71%
Claiborne Parish15,969-7.02%
Jackson Parish15,846-2.84%
West Feliciana Parish15,380-1.66%
LaSalle Parish14,9330.17%
Winn Parish14,311-6.48%
Bienville Parish13,638-4.68%
Madison Parish11,316-6.52%
West Carroll Parish10,981-5.13%
St. Helena Parish10,363-7.43%
Caldwell Parish9,950-2.01%
Catahoula Parish9,875-4.85%
Red River Parish8,536-6.19%
East Carroll Parish7,126-7.90%
Cameron Parish6,9120.07%
Tensas Parish4,615-11.78%