Louisiana Citizen Population By County in 2012 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2012, the citizen population for Louisiana was 4,430,470 and represented 97.81% of the total Louisiana population.

Among all Louisiana counties, East Baton Rouge had the highest citizen population (426.92K), followed by Jefferson (407.22K), and Orleans (330.36K).

In terms of percentages, Bienville had the highest percentage of its population being citizens (100.00%), followed by Cameron (100.00%), and Tensas (100.00%).

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

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

You may also be interested in:
Louisiana Citizen Voting-age Population By County in 2012

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Louisiana Citizen Population By County in 2012

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County	Citizen Population	% of County Population
East Baton Rouge	426915	97.10
Jefferson	407215	94.11
Orleans	330355	96.76
Caddo	252190	98.91
St. Tammany	229940	98.15
Lafayette	215095	97.07
Calcasieu	189660	98.63
Ouachita	152265	99.03
Rapides	130200	98.90
Livingston	126660	98.81
Tangipahoa	119345	98.46
Bossier	114640	97.37
Terrebonne	109475	98.04
Ascension	105610	98.11
Lafourche	94655	98.13
St. Landry	83435	99.59
Iberia	71710	97.53
Acadia	61170	99.29
Vermilion	57145	98.46
St. Mary	52920	97.49
St. Martin	51790	98.94
St. Charles	51680	98.13
Vernon	50625	98.23
Washington	46820	99.56
St. John the Baptist	44820	97.99
Lincoln	44735	96.11
Avoyelles	41695	99.45
Webster	41035	99.71
Natchitoches	39145	99.27
Beauregard	35305	99.00
St. Bernard	35295	98.19
Evangeline	33400	98.26
Iberville	33120	99.21
Jefferson Davis	31385	99.54
Morehouse	27815	99.71
De Soto	26385	98.84
Allen	24600	95.57
Sabine	24015	98.97
West Baton Rouge	23480	98.86
Assumption	23060	98.89
Plaquemines	22735	97.91
Pointe Coupee	22470	98.47
Union	22325	98.63
St. James	21830	99.32
Grant	21595	97.94
Richland	20740	99.78
Franklin	20680	99.83
Concordia	20515	99.47
East Feliciana	20190	99.70
Claiborne	16910	99.12
Jackson	16110	99.38
West Feliciana	15430	99.07
Winn	15185	99.67
LaSalle	14645	98.69
Bienville	14310	100.00
Madison	12090	99.79
West Carroll	11480	99.09
St. Helena	11095	99.91
Catahoula	10360	99.52
Caldwell	10075	99.56
Red River	9060	99.89
East Carroll	7700	99.48
Cameron	6935	100.00
Tensas	5190	100.00