Louisiana Citizen Voting-age Population By County in 2019 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2019, the citizen voting-age population for Louisiana was 3,459,490 and represented 74.17% of the total Louisiana population.

Among all Louisiana counties, East Baton Rouge had the highest citizen voting-age population (328.87K), followed by Jefferson (309.89K), and Orleans (301.83K).

In terms of percentages, West Feliciana had the highest percentage of its population being citizens of voting-age (82.31%), followed by East Carroll (81.89%), and East Feliciana (81.36%).

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 2019
Louisiana Citizen Voting-age Population By County in 2019
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County Citizen Voting-age Population % of County Population
East Baton Rouge 328865 74.11
Jefferson 309890 71.26
Orleans 301830 77.22
St. Tammany 188820 74.00
Caddo 184135 74.90
Lafayette 178445 73.75
Calcasieu 148340 73.57
Ouachita 115125 74.04
Livingston 101500 73.06
Tangipahoa 98075 74.27
Rapides 96730 73.86
Bossier 92945 73.47
Ascension 87395 70.99
Terrebonne 81080 72.36
Lafourche 73465 74.88
St. Landry 60370 72.59
Iberia 51530 71.68
Acadia 45615 73.04
Vermilion 43660 72.93
St. Martin 40075 74.59
St. Charles 39150 74.18
St. Mary 37480 73.53
Vernon 36575 73.67
Lincoln 36415 77.08
Washington 34930 75.22
St. Bernard 32670 70.61
St. John the Baptist 31750 73.43
Avoyelles 30925 76.04
Webster 30220 77.01
Natchitoches 29310 75.60
Beauregard 27510 74.26
Iberville 25775 78.53
Evangeline 24185 72.00
Jefferson Davis 23365 74.32
De Soto 20510 75.16
West Baton Rouge 19650 75.29
Morehouse 19325 75.46
Allen 18915 73.83
Sabine 18105 75.47
Assumption 17365 77.25
Grant 17175 76.88
Union 17115 76.56
Pointe Coupee 16970 77.08
Plaquemines 16785 71.92
St. James 16250 76.26
East Feliciana 15760 81.36
Richland 15520 76.27
Franklin 15030 74.26
Concordia 14825 74.95
Claiborne 12995 81.30
West Feliciana 12700 82.31
Jackson 12325 77.61
Winn 11270 78.73
LaSalle 11160 74.72
Bienville 10465 77.15
Madison 8590 75.98
West Carroll 8475 76.77
St. Helena 7960 77.32
Catahoula 7615 77.98
Caldwell 7590 75.98
Red River 6450 75.31
East Carroll 5810 81.89
Cameron 5170 74.60
Tensas 3465 75.99