Ranking of Louisiana Counties By Total Population from Census 2020

Updated on February 7, 2023.

According to the data from the US 2020 Census, the most populated Louisiana county as at April 2020 was East Baton Rouge Parish (456.78K), followed by Jefferson Parish (440.78K), and Orleans Parish (384.00K).

The chart below shows the top 10 most populated counties, and the table below shows the ranking of all the counties in the state of Louisiana.

You can also see the ranking of counties by population for other states as well as for the whole United States.

Ranking of Louisiana Counties By Total Population from Census 2020
East Baton Rouge
Jefferson
Orleans
St. Tammany
Lafayette
Caddo
Calcasieu
Ouachita
Livingston
Tangipahoa
Ranking of Louisiana Counties By Total Population from Census 2020
Items per page:
0 of 0
Rank County Population
1 East Baton Rouge Parish 456781
2 Jefferson Parish 440781
3 Orleans Parish 383997
4 St. Tammany Parish 264570
5 Lafayette Parish 241753
6 Caddo Parish 237848
7 Calcasieu Parish 216785
8 Ouachita Parish 160368
9 Livingston Parish 142282
10 Tangipahoa Parish 133157
11 Rapides Parish 130023
12 Bossier Parish 128746
13 Ascension Parish 126500
14 Terrebonne Parish 109580
15 Lafourche Parish 97557
16 St. Landry Parish 82540
17 Iberia Parish 69929
18 Acadia Parish 57576
19 Vermilion Parish 57359
20 St. Charles Parish 52549
21 St. Martin Parish 51767
22 St. Mary Parish 49406
23 Vernon Parish 48750
24 Lincoln Parish 48396
25 Washington Parish 45463
26 St. Bernard Parish 43764
27 St. John the Baptist Parish 42477
28 Avoyelles Parish 39693
29 Natchitoches Parish 37515
30 Webster Parish 36967
31 Beauregard Parish 36549
32 Evangeline Parish 32350
33 Jefferson Davis Parish 32250
34 Iberville Parish 30241
35 West Baton Rouge Parish 27199
36 De Soto Parish 26812
37 Morehouse Parish 25629
38 Plaquemines Parish 23515
39 Allen Parish 22750
40 Grant Parish 22169
41 Sabine Parish 22155
42 Union Parish 21107
43 Assumption Parish 21039
44 Pointe Coupee Parish 20758
45 St. James Parish 20192
46 Richland Parish 20043
47 Franklin Parish 19774
48 East Feliciana Parish 19539
49 Concordia Parish 18687
50 West Feliciana Parish 15310
51 Jackson Parish 15031
52 LaSalle Parish 14791
53 Claiborne Parish 14170
54 Winn Parish 13755
55 Bienville Parish 12981
56 St. Helena Parish 10920
57 Madison Parish 10017
58 West Carroll Parish 9751
59 Caldwell Parish 9645
60 Catahoula Parish 8906
61 Red River Parish 7620
62 East Carroll Parish 7459
63 Cameron Parish 5617
64 Tensas Parish 4147