Louisiana Citizen 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 population for Louisiana was 4,549,895 and represented 97.55% of the total Louisiana population.

Among all Louisiana counties, East Baton Rouge had the highest citizen population (428.08K), followed by Jefferson (400.66K), and Orleans (379.38K).

In terms of percentages, Madison had the highest percentage of its population being citizens (99.91%), followed by Richland (99.90%), and Red River (99.88%).

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 2019

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

See this for other years:

Louisiana Citizen Population By County in 2019

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County	Citizen Population	% of County Population
East Baton Rouge	428080	96.47
Jefferson	400660	92.14
Orleans	379380	97.07
St. Tammany	249680	97.85
Caddo	242700	98.73
Lafayette	235205	97.20
Calcasieu	198390	98.40
Ouachita	154025	99.06
Livingston	137075	98.67
Tangipahoa	130500	98.82
Rapides	129200	98.65
Bossier	124220	98.20
Ascension	120470	97.85
Terrebonne	109610	97.82
Lafourche	96200	98.05
St. Landry	82665	99.39
Iberia	70245	97.72
Acadia	61970	99.22
Vermilion	58915	98.41
St. Martin	53125	98.87
St. Charles	52060	98.65
St. Mary	49560	97.23
Vernon	48950	98.60
Washington	46095	99.27
Lincoln	45845	97.04
St. Bernard	44960	97.18
St. John the Baptist	42390	98.03
Avoyelles	40455	99.47
Webster	39085	99.61
Natchitoches	38565	99.47
Beauregard	36600	98.80
Iberville	32710	99.67
Evangeline	32555	96.92
Jefferson Davis	31305	99.57
De Soto	27205	99.69
West Baton Rouge	25890	99.20
Morehouse	25545	99.75
Allen	24650	96.21
Sabine	23755	99.02
Plaquemines	22815	97.75
Assumption	22320	99.29
Union	22025	98.52
Pointe Coupee	21880	99.39
Grant	21790	97.54
St. James	21140	99.20
Richland	20330	99.90
Franklin	20185	99.73
Concordia	19515	98.66
East Feliciana	19280	99.54
Claiborne	15880	99.34
Jackson	15705	98.90
West Feliciana	15215	98.61
LaSalle	14670	98.23
Winn	14210	99.27
Bienville	13525	99.71
Madison	11295	99.91
West Carroll	10995	99.59
St. Helena	10145	98.54
Caldwell	9805	98.15
Catahoula	9740	99.74
Red River	8555	99.88
East Carroll	7080	99.79
Cameron	6735	97.19
Tensas	4550	99.78