Ranking of Louisiana Counties By Population in 2021
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2021, the Population for Louisiana was 4.63M. Among all Louisiana counties, East Baton Rouge Parish had the highest population (453.69K), followed by Jefferson Parish (434.21K), and Orleans Parish (377.55K).
The chart below shows the top 10 counties, and the table below shows the ranking of all Louisiana counties.
You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.
Related Topics: Louisiana Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
Ranking of Louisiana Counties By Population in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | East Baton Rouge Parish | 453685 |
| 2 | Jefferson Parish | 434206 |
| 3 | Orleans Parish | 377547 |
| 4 | St. Tammany Parish | 270188 |
| 5 | Lafayette Parish | 244933 |
| 6 | Caddo Parish | 232645 |
| 7 | Calcasieu Parish | 204947 |
| 8 | Ouachita Parish | 158889 |
| 9 | Livingston Parish | 146143 |
| 10 | Tangipahoa Parish | 135487 |
| 11 | Bossier Parish | 129381 |
| 12 | Rapides Parish | 128646 |
| 13 | Ascension Parish | 128592 |
| 14 | Terrebonne Parish | 108973 |
| 15 | Lafourche Parish | 97607 |
| 16 | St. Landry Parish | 82199 |
| 17 | Iberia Parish | 69342 |
| 18 | Acadia Parish | 57228 |
| 19 | Vermilion Parish | 56882 |
| 20 | St. Charles Parish | 52480 |
| 21 | St. Martin Parish | 51550 |
| 22 | St. Mary Parish | 48240 |
| 23 | Lincoln Parish | 48132 |
| 24 | Vernon Parish | 48032 |
| 25 | Washington Parish | 45202 |
| 26 | St. Bernard Parish | 44333 |
| 27 | St. John the Baptist Parish | 42107 |
| 28 | Avoyelles Parish | 39261 |
| 29 | Natchitoches Parish | 36989 |
| 30 | Beauregard Parish | 36678 |
| 31 | Webster Parish | 35949 |
| 32 | Jefferson Davis Parish | 32381 |
| 33 | Evangeline Parish | 32223 |
| 34 | Iberville Parish | 29749 |
| 35 | West Baton Rouge Parish | 27802 |
| 36 | De Soto Parish | 26960 |
| 37 | Morehouse Parish | 25018 |
| 38 | Plaquemines Parish | 23312 |
| 39 | Allen Parish | 22594 |
| 40 | Grant Parish | 22264 |
| 41 | Sabine Parish | 22109 |
| 42 | Union Parish | 21013 |
| 43 | Assumption Parish | 20701 |
| 44 | Pointe Coupee Parish | 20352 |
| 45 | Richland Parish | 19863 |
| 46 | St. James Parish | 19796 |
| 47 | Franklin Parish | 19613 |
| 48 | East Feliciana Parish | 19361 |
| 49 | Concordia Parish | 18354 |
| 50 | West Feliciana Parish | 15503 |
| 51 | Jackson Parish | 14901 |
| 52 | LaSalle Parish | 14850 |
| 53 | Claiborne Parish | 14051 |
| 54 | Winn Parish | 13496 |
| 55 | Bienville Parish | 12787 |
| 56 | St. Helena Parish | 10906 |
| 57 | Madison Parish | 9794 |
| 58 | West Carroll Parish | 9582 |
| 59 | Caldwell Parish | 9580 |
| 60 | Catahoula Parish | 8725 |
| 61 | Red River Parish | 7510 |
| 62 | East Carroll Parish | 7227 |
| 63 | Cameron Parish | 5095 |
| 64 | Tensas Parish | 4026 |
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