Louisiana Citizen Population By County in 2023 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2023, the citizen population for Louisiana was 4,492,100 and represented 97.21% of the total Louisiana population.

Among all Louisiana counties, East Baton Rouge had the highest citizen population (433.23K), followed by Jefferson (396.79K), and Orleans (363.47K).

In terms of percentages, East Carroll had the highest percentage of its population being citizens (100.00%), followed by Catahoula (99.89%), and Red River (99.87%).

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 2023

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

See this for other years:

Louisiana Citizen Population By County in 2023

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County	Citizen Population	% of County Population
East Baton Rouge	433230	95.67
Jefferson	396790	91.75
Orleans	363465	96.66
St. Tammany	262770	97.56
Lafayette	237225	96.80
Caddo	230095	98.76
Calcasieu	204545	98.02
Ouachita	157050	98.83
Livingston	141250	97.02
Tangipahoa	133045	98.39
Rapides	126210	98.24
Bossier	126180	97.71
Ascension	124680	96.96
Terrebonne	104935	97.74
Lafourche	95025	98.30
St. Landry	81365	99.07
Iberia	68330	98.75
Acadia	57000	99.62
Vermilion	56225	98.59
St. Martin	50860	98.64
St. Charles	50790	97.93
Lincoln	47580	98.80
Vernon	47095	98.60
St. Mary	47025	97.05
Washington	44990	99.45
St. Bernard	42930	97.19
St. John the Baptist	40690	98.43
Avoyelles	38840	99.15
Natchitoches	36785	99.30
Beauregard	36460	99.50
Webster	35960	99.36
Jefferson Davis	31960	99.61
Evangeline	31170	96.92
Iberville	29400	98.16
West Baton Rouge	27365	98.92
De Soto	26785	99.59
Morehouse	24875	99.64
Plaquemines	22500	97.53
Sabine	22000	99.62
Grant	21435	96.88
Allen	21195	93.99
Union	20505	98.04
Assumption	20500	98.94
Pointe Coupee	20335	99.49
Richland	19885	99.87
St. James	19680	99.42
Franklin	19560	99.85
East Feliciana	19340	99.79
Concordia	17885	97.60
West Feliciana	15330	99.68
Jackson	14670	98.19
LaSalle	14665	99.05
Claiborne	13985	99.75
Winn	12920	95.67
Bienville	12680	99.30
St. Helena	10625	97.93
Madison	9700	99.44
West Carroll	9590	99.69
Caldwell	9515	99.48
Catahoula	8730	99.89
Red River	7520	99.87
East Carroll	7195	100.00
Cameron	5210	99.81
Tensas	3970	99.50