Louisiana Population By County in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the population of Louisiana was 4,576,244. Among all Louisiana counties, East Baton Rouge had the highest population (441,627), followed by Jefferson (434,133), and Orleans (360,822). Tensas was the least populated county (5,091).

Hover over or click on the counties in the map below to see the populations. 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 see similar information for other states and by state for the United States.

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Louisiana Population By County in 2011
Louisiana Population By County in 2011
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County Population % of State Population
Acadia 61872 1.35
Allen 25740 0.56
Ascension 110084 2.41
Assumption 23186 0.51
Avoyelles 41805 0.91
Beauregard 36101 0.79
Bienville 14262 0.31
Bossier 120122 2.63
Caddo 257058 5.62
Calcasieu 193881 4.24
Caldwell 10123 0.22
Cameron 6672 0.15
Catahoula 10289 0.23
Claiborne 16940 0.37
Concordia 20844 0.46
De Soto 26782 0.59
East Baton Rouge 441627 9.65
East Carroll 7658 0.17
East Feliciana 20079 0.44
Evangeline 33840 0.74
Franklin 20774 0.45
Grant 22397 0.49
Iberia 73216 1.60
Iberville 33364 0.73
Jackson 16362 0.36
Jefferson 434133 9.49
Jefferson Davis 31595 0.69
Lafayette 224898 4.91
Lafourche 97031 2.12
LaSalle 14941 0.33
Lincoln 47068 1.03
Livingston 129858 2.84
Madison 11978 0.26
Morehouse 27482 0.60
Natchitoches 39385 0.86
Orleans 360822 7.89
Ouachita 154654 3.38
Plaquemines 23588 0.52
Pointe Coupee 22804 0.50
Rapides 132019 2.89
Red River 9082 0.20
Richland 20887 0.46
Sabine 24426 0.53
St. Bernard 39520 0.86
St. Charles 52394 1.15
St. Helena 10967 0.24
St. James 21787 0.48
St. John the Baptist 45065 0.99
St. Landry 83458 1.82
St. Martin 52804 1.15
St. Mary 54199 1.18
St. Tammany 236900 5.18
Tangipahoa 122694 2.68
Tensas 5091 0.11
Terrebonne 111690 2.44
Union 22766 0.50
Vermilion 58198 1.27
Vernon 52297 1.14
Washington 47125 1.03
Webster 41248 0.90
West Baton Rouge 24125 0.53
West Carroll 11521 0.25
West Feliciana 15511 0.34
Winn 15155 0.33