# Counties in Louisiana by population, 2025

All 64 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/louisiana-counties
- CSV: https://invokely.ai/download/rankings/population/louisiana-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | East Baton Rouge Parish | 456,180 |
| 2 | Jefferson Parish | 431,398 |
| 3 | Orleans Parish | 362,154 |
| 4 | St. Tammany Parish | 279,108 |
| 5 | Lafayette Parish | 257,949 |
| 6 | Caddo Parish | 224,226 |
| 7 | Calcasieu Parish | 208,466 |
| 8 | Ouachita Parish | 158,542 |
| 9 | Livingston Parish | 155,036 |
| 10 | Tangipahoa Parish | 141,346 |
| 11 | Ascension Parish | 135,105 |
| 12 | Bossier Parish | 131,867 |
| 13 | Rapides Parish | 125,877 |
| 14 | Terrebonne Parish | 104,163 |
| 15 | Lafourche Parish | 95,505 |
| 16 | St. Landry Parish | 80,765 |
| 17 | Iberia Parish | 66,846 |
| 18 | Vermilion Parish | 57,671 |
| 19 | Acadia Parish | 57,032 |
| 20 | St. Martin Parish | 51,106 |
| 21 | St. Charles Parish | 50,586 |
| 22 | Lincoln Parish | 48,360 |
| 23 | St. Mary Parish | 46,552 |
| 24 | St. Bernard Parish | 45,642 |
| 25 | Vernon Parish | 45,091 |
| 26 | Washington Parish | 44,937 |
| 27 | St. John the Baptist Parish | 39,875 |
| 28 | Avoyelles Parish | 37,941 |
| 29 | Beauregard Parish | 36,673 |
| 30 | Natchitoches Parish | 36,089 |
| 31 | Webster Parish | 34,948 |
| 32 | Evangeline Parish | 31,980 |
| 33 | Jefferson Davis Parish | 31,471 |
| 34 | Iberville Parish | 29,579 |
| 35 | West Baton Rouge Parish | 28,756 |
| 36 | De Soto Parish | 27,381 |
| 37 | Morehouse Parish | 23,705 |
| 38 | Allen Parish | 22,672 |
| 39 | Plaquemines Parish | 22,256 |
| 40 | Grant Parish | 22,075 |
| 41 | Sabine Parish | 21,834 |
| 42 | Union Parish | 20,561 |
| 43 | Assumption Parish | 19,720 |
| 44 | Richland Parish | 19,582 |
| 45 | Pointe Coupee Parish | 19,520 |
| 46 | Franklin Parish | 19,002 |
| 47 | St. James Parish | 18,938 |
| 48 | East Feliciana Parish | 18,911 |
| 49 | Concordia Parish | 17,836 |
| 50 | Jackson Parish | 15,834 |
| 51 | LaSalle Parish | 15,154 |
| 52 | West Feliciana Parish | 15,134 |
| 53 | Winn Parish | 14,961 |
| 54 | Claiborne Parish | 13,354 |
| 55 | Bienville Parish | 12,269 |
| 56 | St. Helena Parish | 10,758 |
| 57 | Caldwell Parish | 9,344 |
| 58 | West Carroll Parish | 9,156 |
| 59 | Madison Parish | 8,844 |
| 60 | Catahoula Parish | 8,223 |
| 61 | Red River Parish | 7,165 |
| 62 | East Carroll Parish | 6,760 |
| 63 | Cameron Parish | 4,718 |
| 64 | Tensas Parish | 3,700 |