County Census Records
Louisiana Counties
66 counties with population data from the decennial US Census, 1790 to 2020.
66 counties
Population as of 2020 census
Acadia
57,576
Allen
22,750
Ascension
126,500
Assumption
21,039
Avoyelles
39,693
Beauregard
36,549
Bienville
12,981
Bossier
128,746
Caddo
237,848
Calcasieu
216,785
Caldwell
9,645
Cameron
5,617
Catahoula
8,906
Claiborne
14,170
Concordia
18,687
De Soto
26,812
East Baton Rouge
456,781
East Carroll
7,459
East Feliciana
19,539
Evangeline
32,350
Franklin
19,774
Grant
22,169
Iberia
69,929
Iberville
30,241
Jackson
15,031
Jefferson
440,781
Jefferson Davis
32,250
La Salle
14,890
Lafayette
241,753
Lafourche
97,557
LaSalle
14,791
Lincoln
48,396
Livingston
142,282
Madison
10,017
Morehouse
25,629
Natchitoches
37,515
Orleans
383,997
Ouachita
160,368
Parish
1,990
Plaquemines
23,515
Pointe Coupee
20,758
Rapides
130,023
Red River
7,620
Richland
20,043
Sabine
22,155
St. Bernard
43,764
St. Charles
52,549
St. Helena
10,920
St. James
20,192
St. John the Baptist
42,477
St. Landry
82,540
St. Martin
51,767
St. Mary
49,406
St. Tammany
264,570
Tangipahoa
133,157
Tensas
4,147
Terrebonne
109,580
Union
21,107
Vermilion
57,359
Vernon
48,750
Washington
45,463
Webster
36,967
West Baton Rouge
27,199
West Carroll
9,751
West Feliciana
15,310
Winn
13,755
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