Ranking of Louisiana Counties By Population in 2015

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2015, the Population for Louisiana was 4.67M. Among all Louisiana counties, East Baton Rouge Parish had the highest population (445.78K), followed by Jefferson Parish (435.36K), and Orleans Parish (390.09K).

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

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Louisiana Counties By Population in 2015
East Baton Rouge
Jefferson
Orleans
Caddo
St. Tammany
Lafayette
Calcasieu
Ouachita
Livingston
Rapides
Ranking of Louisiana Counties By Population in 2015
Items per page:
0 of 0
Rank County Population
1 East Baton Rouge Parish 445776
2 Jefferson Parish 435358
3 Orleans Parish 390094
4 Caddo Parish 251499
5 St. Tammany Parish 249116
6 Lafayette Parish 239654
7 Calcasieu Parish 198542
8 Ouachita Parish 156916
9 Livingston Parish 137202
10 Rapides Parish 131821
11 Tangipahoa Parish 128774
12 Bossier Parish 125634
13 Ascension Parish 119417
14 Terrebonne Parish 113894
15 Lafourche Parish 98279
16 St. Landry Parish 83693
17 Iberia Parish 73548
18 Acadia Parish 62696
19 Vermilion Parish 59928
20 St. Martin Parish 53891
21 St. Mary Parish 52908
22 St. Charles Parish 52587
23 Vernon Parish 51535
24 Lincoln Parish 47469
25 Washington Parish 46365
26 St. Bernard Parish 45436
27 St. John the Baptist Parish 43527
28 Avoyelles Parish 40992
29 Webster Parish 40067
30 Natchitoches Parish 39018
31 Beauregard Parish 36557
32 Evangeline Parish 33728
33 Iberville Parish 33149
34 Jefferson Davis Parish 31449
35 De Soto Parish 27112
36 Morehouse Parish 26307
37 Allen Parish 25630
38 West Baton Rouge Parish 25596
39 Sabine Parish 24213
40 Plaquemines Parish 23462
41 Assumption Parish 22902
42 Union Parish 22490
43 Grant Parish 22327
44 Pointe Coupee Parish 22197
45 St. James Parish 21483
46 Richland Parish 20552
47 Franklin Parish 20397
48 Concordia Parish 20233
49 East Feliciana Parish 19534
50 Claiborne Parish 16271
51 Jackson Parish 15971
52 West Feliciana Parish 15376
53 LaSalle Parish 14975
54 Winn Parish 14646
55 Bienville Parish 13828
56 Madison Parish 11560
57 West Carroll Parish 11287
58 St. Helena Parish 10465
59 Caldwell Parish 10048
60 Catahoula Parish 10034
61 Red River Parish 8710
62 East Carroll Parish 7279
63 Cameron Parish 6821
64 Tensas Parish 4773