Louisiana Counties by Population (2025)

by Kristen Carney Kristen Carney

Updated: August 7, 2025

The most populous counties in Louisiana are East Baton Rouge Parish with 453,022, Jefferson Parish at 427,253, Orleans Parish with 362,701, St. Tammany Parish at 277,615, and Lafayette Parish with 254,241. You can get the most current Census population data for all 64 Louisiana counties, sorted from the most populous counties in Louisiana to the least, according to the 2024 Population Estimates Program.

Sure, you can copy this list right into your favorite spreadsheet tool. Or save yourself formatting headaches and grab the latest Louisiana counties population data as a ready-to-use Excel™ file below. It's time to stop searching and start digging into data!

Download the newest population data for Louisiana counties

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Rank County Population
1 East Baton Rouge Parish 453,022
2 Jefferson Parish 427,253
3 Orleans Parish 362,701
4 St. Tammany Parish 277,615
5 Lafayette Parish 254,241
6 Caddo Parish 224,893
7 Calcasieu Parish 206,861
8 Ouachita Parish 157,874
9 Livingston Parish 152,886
10 Tangipahoa Parish 139,823
11 Ascension Parish 133,534
12 Bossier Parish 131,102
13 Rapides Parish 125,899
14 Terrebonne Parish 103,864
15 Lafourche Parish 95,342
16 St. Landry Parish 80,869
17 Iberia Parish 67,540
18 Vermilion Parish 57,641
19 Acadia Parish 56,604
20 St. Martin Parish 51,218
21 St. Charles Parish 50,400
22 Lincoln Parish 48,243
23 St. Mary Parish 46,799
24 Vernon Parish 45,819
25 Washington Parish 45,090
26 St. Bernard Parish 44,783
27 St. John the Baptist Parish 39,694
28 Avoyelles Parish 38,373
29 Beauregard Parish 36,695
30 Natchitoches Parish 35,982
31 Webster Parish 35,184
32 Evangeline Parish 31,745
33 Jefferson Davis Parish 31,436
34 Iberville Parish 29,766
35 West Baton Rouge Parish 28,425
36 De Soto Parish 27,274
37 Morehouse Parish 23,787
38 Allen Parish 22,501
39 Plaquemines Parish 22,289
40 Grant Parish 22,109
41 Sabine Parish 21,746
42 Union Parish 20,617
43 Assumption Parish 20,050
44 Pointe Coupee Parish 19,845
45 Richland Parish 19,643
46 East Feliciana Parish 19,112
47 St. James Parish 19,110
48 Franklin Parish 19,107
49 Concordia Parish 17,797
50 West Feliciana Parish 15,155
51 Jackson Parish 14,797
52 LaSalle Parish 14,702
53 Claiborne Parish 13,537
54 Winn Parish 13,405
55 Bienville Parish 12,412
56 St. Helena Parish 10,857
57 Caldwell Parish 9,393
58 West Carroll Parish 9,254
59 Madison Parish 9,093
60 Catahoula Parish 8,280
61 Red River Parish 7,238
62 East Carroll Parish 6,892
63 Cameron Parish 4,678
64 Tensas Parish 3,844

United States Census Bureau. Annual Estimates of the Resident Population: April 1, 2020 to July 1, 2024. Population Division. May 2025.

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