Louisiana Citizen Voting-age Population By County in 2010 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2010, the citizen voting-age population for Louisiana was 3,241,185 and represented 73.17% of the total Louisiana population.

Among all Louisiana counties, East Baton Rouge had the highest citizen voting-age population (320.44K), followed by Jefferson (311.06K), and Orleans (222.53K).

In terms of percentages, West Feliciana had the highest percentage of its population being citizens of voting-age (81.03%), followed by Claiborne (78.88%), and East Feliciana (77.32%).

The chart and table below shows the citizen voting-age population of each county and the percentage of each county's population that were citizens of voting-age.

You can see similar information for other states and by state for the United States.

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Louisiana Citizen Voting-age Population By County in 2010
Louisiana Citizen Voting-age Population By County in 2010
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County Citizen Voting-age Population % of County Population
East Baton Rouge 320435 73.53
Jefferson 311055 72.17
Orleans 222530 75.36
Caddo 187585 74.13
St. Tammany 165895 72.48
Lafayette 157185 72.91
Calcasieu 138570 73.27
Ouachita 110865 72.84
Rapides 95500 73.01
Livingston 87265 71.06
Tangipahoa 86975 73.59
Bossier 81900 71.95
Terrebonne 80000 71.99
Ascension 71265 69.53
Lafourche 70270 73.64
St. Landry 61030 72.39
Iberia 51830 70.62
Acadia 44015 71.99
Vermilion 41485 72.43
St. Mary 38980 71.72
St. Charles 37600 71.42
St. Martin 37480 72.47
Vernon 35710 70.78
Lincoln 34730 75.84
Washington 34560 74.19
St. John the Baptist 32855 70.31
Avoyelles 31470 74.90
Webster 31215 75.69
Natchitoches 29330 74.68
Beauregard 25545 72.99
Iberville 25380 75.73
Evangeline 24550 71.33
Jefferson Davis 22760 72.25
Morehouse 21260 74.89
St. Bernard 20220 72.89
De Soto 19475 73.59
Allen 19250 74.57
Sabine 17985 74.57
Assumption 17490 74.47
West Baton Rouge 17115 73.53
Union 17075 75.06
Pointe Coupee 17065 74.73
Plaquemines 16320 71.86
St. James 16220 73.41
Grant 16065 74.12
East Feliciana 15785 77.32
Franklin 15420 74.40
Richland 15280 73.85
Concordia 15125 73.78
Claiborne 13535 78.88
West Feliciana 12705 81.03
Jackson 12245 76.15
Winn 11875 76.74
Bienville 11070 76.11
La Salle 11050 75.27
Madison 9040 73.59
West Carroll 8615 73.69
St. Helena 8245 74.11
Catahoula 7980 76.25
Caldwell 7740 75.96
Red River 6780 73.86
East Carroll 5835 73.26
Cameron 5420 74.45
Tensas 4070 74.95