Louisiana Counties by Population (2026)

by Kristen Carney

Updated: February 9, 2026

The most populous counties in Louisiana are East Baton Rouge Parish with 452,938, Jefferson Parish at 430,920, Orleans Parish with 371,853, St. Tammany Parish at 272,421, and Lafayette Parish with 247,997. 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 American Community Survey.

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!

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Rank County Population
1 East Baton Rouge Parish 452,938
2 Jefferson Parish 430,920
3 Orleans Parish 371,853
4 St. Tammany Parish 272,421
5 Lafayette Parish 247,997
6 Caddo Parish 230,004
7 Calcasieu Parish 207,088
8 Ouachita Parish 158,480
9 Livingston Parish 148,115
10 Tangipahoa Parish 136,738
11 Ascension Parish 130,314
12 Bossier Parish 129,789
13 Rapides Parish 127,527
14 Terrebonne Parish 106,186
15 Lafourche Parish 96,252
16 St. Landry Parish 81,670
17 Iberia Parish 68,599
18 Vermilion Parish 57,123
19 Acadia Parish 56,955
20 St. Charles Parish 51,396
21 St. Martin Parish 51,353
22 Lincoln Parish 48,174
23 St. Mary Parish 47,828
24 Vernon Parish 47,117
25 Washington Parish 45,120
26 St. Bernard Parish 44,419
27 St. John the Baptist Parish 40,743
28 Avoyelles Parish 38,905
29 Natchitoches Parish 36,693
30 Beauregard Parish 36,676
31 Webster Parish 35,820
32 Evangeline Parish 32,060
33 Jefferson Davis Parish 31,924
34 Iberville Parish 29,815
35 West Baton Rouge Parish 27,974
36 De Soto Parish 27,026
37 Morehouse Parish 24,551
38 Plaquemines Parish 22,803
39 Allen Parish 22,477
40 Grant Parish 22,095
41 Sabine Parish 21,977
42 Union Parish 20,821
43 Assumption Parish 20,484
44 Pointe Coupee Parish 20,217
45 Richland Parish 19,822
46 St. James Parish 19,528
47 Franklin Parish 19,408
48 East Feliciana Parish 19,271
49 Concordia Parish 18,174
50 West Feliciana Parish 15,327
51 Jackson Parish 14,884
52 LaSalle Parish 14,789
53 Claiborne Parish 13,833
54 Winn Parish 13,467
55 Bienville Parish 12,638
56 St. Helena Parish 10,858
57 Madison Parish 9,513
58 Caldwell Parish 9,500
59 West Carroll Parish 9,464
60 Catahoula Parish 8,583
61 Red River Parish 7,443
62 East Carroll Parish 7,072
63 Cameron Parish 5,015
64 Tensas Parish 3,935

United States Census Bureau. B01001 SEX BY AGE, 2024 American Community Survey 5-Year Estimates. U.S. Census Bureau, American Community Survey Office. Web. January 29, 2026. http://www.census.gov/.

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