County research and study

Louisiana county reference

64 counties and county equivalents in Louisiana. Search names or FIPS codes, compare Census geography and keep the original sources with your work.

• Acadia Parish

  Louisiana · FIPS 22001

  57,032 residents · 2025 estimate

• Allen Parish

  Louisiana · FIPS 22003

  22,672 residents · 2025 estimate

• Ascension Parish

  Louisiana · FIPS 22005

  135,105 residents · 2025 estimate

• Assumption Parish

  Louisiana · FIPS 22007

  19,720 residents · 2025 estimate

• Avoyelles Parish

  Louisiana · FIPS 22009

  37,941 residents · 2025 estimate

• Beauregard Parish

  Louisiana · FIPS 22011

  36,673 residents · 2025 estimate

• Bienville Parish

  Louisiana · FIPS 22013

  12,269 residents · 2025 estimate

• Bossier Parish

  Louisiana · FIPS 22015

  131,867 residents · 2025 estimate

• Caddo Parish

  Louisiana · FIPS 22017

  224,226 residents · 2025 estimate

• Calcasieu Parish

  Louisiana · FIPS 22019

  208,466 residents · 2025 estimate

• Caldwell Parish

  Louisiana · FIPS 22021

  9,344 residents · 2025 estimate

• Cameron Parish

  Louisiana · FIPS 22023

  4,718 residents · 2025 estimate

• Catahoula Parish

  Louisiana · FIPS 22025

  8,223 residents · 2025 estimate

• Claiborne Parish

  Louisiana · FIPS 22027

  13,354 residents · 2025 estimate

• Concordia Parish

  Louisiana · FIPS 22029

  17,836 residents · 2025 estimate

• De Soto Parish

  Louisiana · FIPS 22031

  27,381 residents · 2025 estimate

• East Baton Rouge Parish

  Louisiana · FIPS 22033

  456,180 residents · 2025 estimate

• East Carroll Parish

  Louisiana · FIPS 22035

  6,760 residents · 2025 estimate

• East Feliciana Parish

  Louisiana · FIPS 22037

  18,911 residents · 2025 estimate

• Evangeline Parish

  Louisiana · FIPS 22039

  31,980 residents · 2025 estimate

• Franklin Parish

  Louisiana · FIPS 22041

  19,002 residents · 2025 estimate

• Grant Parish

  Louisiana · FIPS 22043

  22,075 residents · 2025 estimate

• Iberia Parish

  Louisiana · FIPS 22045

  66,846 residents · 2025 estimate

• Iberville Parish

  Louisiana · FIPS 22047

  29,579 residents · 2025 estimate

• Jackson Parish

  Louisiana · FIPS 22049

  15,834 residents · 2025 estimate

• Jefferson Davis Parish

  Louisiana · FIPS 22053

  31,471 residents · 2025 estimate

• Jefferson Parish

  Louisiana · FIPS 22051

  431,398 residents · 2025 estimate

• Lafayette Parish

  Louisiana · FIPS 22055

  257,949 residents · 2025 estimate

• Lafourche Parish

  Louisiana · FIPS 22057

  95,505 residents · 2025 estimate

• LaSalle Parish

  Louisiana · FIPS 22059

  15,154 residents · 2025 estimate

• Lincoln Parish

  Louisiana · FIPS 22061

  48,360 residents · 2025 estimate

• Livingston Parish

  Louisiana · FIPS 22063

  155,036 residents · 2025 estimate

• Madison Parish

  Louisiana · FIPS 22065

  8,844 residents · 2025 estimate

• Morehouse Parish

  Louisiana · FIPS 22067

  23,705 residents · 2025 estimate

• Natchitoches Parish

  Louisiana · FIPS 22069

  36,089 residents · 2025 estimate

• Orleans Parish

  Louisiana · FIPS 22071

  362,154 residents · 2025 estimate

• Ouachita Parish

  Louisiana · FIPS 22073

  158,542 residents · 2025 estimate

• Plaquemines Parish

  Louisiana · FIPS 22075

  22,256 residents · 2025 estimate

• Pointe Coupee Parish

  Louisiana · FIPS 22077

  19,520 residents · 2025 estimate

• Rapides Parish

  Louisiana · FIPS 22079

  125,877 residents · 2025 estimate

• Red River Parish

  Louisiana · FIPS 22081

  7,165 residents · 2025 estimate

• Richland Parish

  Louisiana · FIPS 22083

  19,582 residents · 2025 estimate

• Sabine Parish

  Louisiana · FIPS 22085

  21,834 residents · 2025 estimate

• St. Bernard Parish

  Louisiana · FIPS 22087

  45,642 residents · 2025 estimate

• St. Charles Parish

  Louisiana · FIPS 22089

  50,586 residents · 2025 estimate

• St. Helena Parish

  Louisiana · FIPS 22091

  10,758 residents · 2025 estimate

• St. James Parish

  Louisiana · FIPS 22093

  18,938 residents · 2025 estimate

• St. John the Baptist Parish

  Louisiana · FIPS 22095

  39,875 residents · 2025 estimate

• St. Landry Parish

  Louisiana · FIPS 22097

  80,765 residents · 2025 estimate

• St. Martin Parish

  Louisiana · FIPS 22099

  51,106 residents · 2025 estimate

• St. Mary Parish

  Louisiana · FIPS 22101

  46,552 residents · 2025 estimate

• St. Tammany Parish

  Louisiana · FIPS 22103

  279,108 residents · 2025 estimate

• Tangipahoa Parish

  Louisiana · FIPS 22105

  141,346 residents · 2025 estimate

• Tensas Parish

  Louisiana · FIPS 22107

  3,700 residents · 2025 estimate

• Terrebonne Parish

  Louisiana · FIPS 22109

  104,163 residents · 2025 estimate

• Union Parish

  Louisiana · FIPS 22111

  20,561 residents · 2025 estimate

• Vermilion Parish

  Louisiana · FIPS 22113

  57,671 residents · 2025 estimate

• Vernon Parish

  Louisiana · FIPS 22115

  45,091 residents · 2025 estimate

• Washington Parish

  Louisiana · FIPS 22117

  44,937 residents · 2025 estimate

• Webster Parish

  Louisiana · FIPS 22119

  34,948 residents · 2025 estimate

• West Baton Rouge Parish

  Louisiana · FIPS 22121

  28,756 residents · 2025 estimate

• West Carroll Parish

  Louisiana · FIPS 22123

  9,156 residents · 2025 estimate

• West Feliciana Parish

  Louisiana · FIPS 22125

  15,134 residents · 2025 estimate

• Winn Parish

  Louisiana · FIPS 22127

  14,961 residents · 2025 estimate

Use the county data

Use a county profile as a source-reading exercise or the geographic context for your own research. Keep the county FIPS identifier with your notes so that similarly named places in different states are not mixed.

The figures describe the county; they are not an evaluation of schools or an estimate of educational outcomes.

Geography: 2025 U.S. Census Gazetteer. Population: Vintage 2025 estimates, July 1, 2025. County equivalents include parishes, boroughs, independent cities and planning regions. Puerto Rico population is not supplied by this population file.