Ranking of Louisiana Counties By Total Population from Census 2020
Updated on February 7, 2023.
According to the data from the US 2020 Census, the most populated Louisiana county as at April 2020 was East Baton Rouge Parish (456.78K), followed by Jefferson Parish (440.78K), and Orleans Parish (384.00K).
The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of Louisiana.
You can also see the ranking of counties by population for other states as well as for the whole United States.
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Related Topics: Louisiana Census 2020 Topic List.
Data Source: US Census Bureau, 2020 Census.
Ranking of Louisiana Counties By Total Population from Census 2020
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| Rank | County | Population |
|---|---|---|
| 1 | East Baton Rouge Parish | 456781 |
| 2 | Jefferson Parish | 440781 |
| 3 | Orleans Parish | 383997 |
| 4 | St. Tammany Parish | 264570 |
| 5 | Lafayette Parish | 241753 |
| 6 | Caddo Parish | 237848 |
| 7 | Calcasieu Parish | 216785 |
| 8 | Ouachita Parish | 160368 |
| 9 | Livingston Parish | 142282 |
| 10 | Tangipahoa Parish | 133157 |
| 11 | Rapides Parish | 130023 |
| 12 | Bossier Parish | 128746 |
| 13 | Ascension Parish | 126500 |
| 14 | Terrebonne Parish | 109580 |
| 15 | Lafourche Parish | 97557 |
| 16 | St. Landry Parish | 82540 |
| 17 | Iberia Parish | 69929 |
| 18 | Acadia Parish | 57576 |
| 19 | Vermilion Parish | 57359 |
| 20 | St. Charles Parish | 52549 |
| 21 | St. Martin Parish | 51767 |
| 22 | St. Mary Parish | 49406 |
| 23 | Vernon Parish | 48750 |
| 24 | Lincoln Parish | 48396 |
| 25 | Washington Parish | 45463 |
| 26 | St. Bernard Parish | 43764 |
| 27 | St. John the Baptist Parish | 42477 |
| 28 | Avoyelles Parish | 39693 |
| 29 | Natchitoches Parish | 37515 |
| 30 | Webster Parish | 36967 |
| 31 | Beauregard Parish | 36549 |
| 32 | Evangeline Parish | 32350 |
| 33 | Jefferson Davis Parish | 32250 |
| 34 | Iberville Parish | 30241 |
| 35 | West Baton Rouge Parish | 27199 |
| 36 | De Soto Parish | 26812 |
| 37 | Morehouse Parish | 25629 |
| 38 | Plaquemines Parish | 23515 |
| 39 | Allen Parish | 22750 |
| 40 | Grant Parish | 22169 |
| 41 | Sabine Parish | 22155 |
| 42 | Union Parish | 21107 |
| 43 | Assumption Parish | 21039 |
| 44 | Pointe Coupee Parish | 20758 |
| 45 | St. James Parish | 20192 |
| 46 | Richland Parish | 20043 |
| 47 | Franklin Parish | 19774 |
| 48 | East Feliciana Parish | 19539 |
| 49 | Concordia Parish | 18687 |
| 50 | West Feliciana Parish | 15310 |
| 51 | Jackson Parish | 15031 |
| 52 | LaSalle Parish | 14791 |
| 53 | Claiborne Parish | 14170 |
| 54 | Winn Parish | 13755 |
| 55 | Bienville Parish | 12981 |
| 56 | St. Helena Parish | 10920 |
| 57 | Madison Parish | 10017 |
| 58 | West Carroll Parish | 9751 |
| 59 | Caldwell Parish | 9645 |
| 60 | Catahoula Parish | 8906 |
| 61 | Red River Parish | 7620 |
| 62 | East Carroll Parish | 7459 |
| 63 | Cameron Parish | 5617 |
| 64 | Tensas Parish | 4147 |