Louisiana 2020 Census Total Population By County

Updated on January 23, 2023.

The total population of Louisiana from the 2020 Census was 4,657,757, based on data from the US Census Bureau.

East Baton Rouge Parish was the most populated county (456,781), followed by Jefferson Parish (440,781), and then Orleans Parish (383,997). On the other hand, the 3 counties that were least populated include: Tensas Parish (4,147), Cameron Parish (5,617), and East Carroll Parish (7,459).

You can also see this information for other states and also for the US by state.

Hover over or click on the counties to see the number and percentage of Louisiana population that lives in each county. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

You can also see the population by county for the different racial groups as well as the different ethnicities in Louisiana.

Louisiana 2020 Census Total Population By County
Louisiana 2020 Census Total Population By County
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County Population % of Louisiana Pop.
Acadia 57576 1.24
Allen 22750 0.49
Ascension 126500 2.72
Assumption 21039 0.45
Avoyelles 39693 0.85
Beauregard 36549 0.79
Bienville 12981 0.28
Bossier 128746 2.76
Caddo 237848 5.11
Calcasieu 216785 4.65
Caldwell 9645 0.21
Cameron 5617 0.12
Catahoula 8906 0.19
Claiborne 14170 0.30
Concordia 18687 0.40
De Soto 26812 0.58
East Baton Rouge 456781 9.81
East Carroll 7459 0.16
East Feliciana 19539 0.42
Evangeline 32350 0.70
Franklin 19774 0.43
Grant 22169 0.48
Iberia 69929 1.50
Iberville 30241 0.65
Jackson 15031 0.32
Jefferson 440781 9.46
Jefferson Davis 32250 0.69
Lafayette 241753 5.19
Lafourche 97557 2.10
LaSalle 14791 0.32
Lincoln 48396 1.04
Livingston 142282 3.06
Madison 10017 0.22
Morehouse 25629 0.55
Natchitoches 37515 0.81
Orleans 383997 8.24
Ouachita 160368 3.44
Plaquemines 23515 0.51
Pointe Coupee 20758 0.45
Rapides 130023 2.79
Red River 7620 0.16
Richland 20043 0.43
Sabine 22155 0.48
St. Bernard 43764 0.94
St. Charles 52549 1.13
St. Helena 10920 0.23
St. James 20192 0.43
St. John the Baptist 42477 0.91
St. Landry 82540 1.77
St. Martin 51767 1.11
St. Mary 49406 1.06
St. Tammany 264570 5.68
Tangipahoa 133157 2.86
Tensas 4147 0.09
Terrebonne 109580 2.35
Union 21107 0.45
Vermilion 57359 1.23
Vernon 48750 1.05
Washington 45463 0.98
Webster 36967 0.79
West Baton Rouge 27199 0.58
West Carroll 9751 0.21
West Feliciana 15310 0.33
Winn 13755 0.30