Louisiana Citizen Voting-age Population By County in 2017 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2017, the citizen voting-age population for Louisiana was 3,447,640 and represented 73.93% of the total Louisiana population.

Among all Louisiana counties, East Baton Rouge had the highest citizen voting-age population (330.96K), followed by Jefferson (311.83K), and Orleans (297.41K).

In terms of percentages, West Feliciana had the highest percentage of its population being citizens of voting-age (82.50%), followed by East Carroll (81.42%), and Claiborne (81.16%).

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 2017
Louisiana Citizen Voting-age Population By County in 2017
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County Citizen Voting-age Population % of County Population
East Baton Rouge 330960 74.18
Jefferson 311835 71.35
Orleans 297410 76.62
Caddo 187460 74.66
St. Tammany 184175 73.91
Lafayette 175620 73.72
Calcasieu 146330 73.62
Ouachita 115330 73.72
Livingston 99750 72.76
Rapides 96875 73.35
Tangipahoa 95350 74.00
Bossier 91455 72.76
Ascension 84200 70.68
Terrebonne 81840 72.38
Lafourche 73025 74.43
St. Landry 60280 72.12
Iberia 52335 71.36
Acadia 45195 72.19
Vermilion 43320 72.39
St. Martin 39790 74.22
St. Charles 38740 73.47
St. Mary 38235 72.72
Vernon 37965 73.14
Lincoln 36485 76.75
Washington 34740 74.79
St. John the Baptist 31950 73.34
St. Bernard 31680 70.30
Avoyelles 31155 75.81
Webster 30750 76.79
Natchitoches 29495 75.53
Beauregard 26980 73.72
Iberville 25965 78.40
Evangeline 24180 71.64
Jefferson Davis 23300 74.19
De Soto 20385 75.04
Morehouse 19745 75.11
Allen 19205 74.83
West Baton Rouge 19100 74.84
Sabine 18165 75.23
Assumption 17530 76.62
Union 17170 76.19
Pointe Coupee 16980 76.25
Grant 16845 75.52
Plaquemines 16660 71.21
St. James 16385 76.26
East Feliciana 15745 80.52
Richland 15570 75.51
Concordia 15285 75.63
Franklin 15135 74.23
Claiborne 13225 81.16
West Feliciana 12685 82.50
Jackson 12315 77.21
Winn 11455 78.30
LaSalle 11130 74.55
Bienville 10705 77.54
Madison 8785 75.64
West Carroll 8535 75.70
St. Helena 8135 77.40
Catahoula 7790 77.55
Caldwell 7595 75.95
Red River 6570 75.30
East Carroll 5960 81.42
Cameron 5085 74.72
Tensas 3595 75.37