Ranking of Louisiana Counties By Population in 2018

Updated on January 28, 2024.

Based on the US Census Vintage data estimates, in 2018, the Population for Louisiana was 4.66M. Among all Louisiana counties, East Baton Rouge Parish had the highest population (442.72K), followed by Jefferson Parish (434.64K), and Orleans Parish (391.51K).

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 2018
East Baton Rouge
Jefferson
Orleans
St. Tammany
Lafayette
Caddo
Calcasieu
Ouachita
Livingston
Tangipahoa
Ranking of Louisiana Counties By Population in 2018
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Rank County Population
1 East Baton Rouge Parish 442720
2 Jefferson Parish 434637
3 Orleans Parish 391506
4 St. Tammany Parish 258598
5 Lafayette Parish 243493
6 Caddo Parish 243105
7 Calcasieu Parish 203507
8 Ouachita Parish 154694
9 Livingston Parish 139594
10 Tangipahoa Parish 133951
11 Rapides Parish 130404
12 Bossier Parish 127153
13 Ascension Parish 124961
14 Terrebonne Parish 111265
15 Lafourche Parish 97910
16 St. Landry Parish 82827
17 Iberia Parish 70627
18 Acadia Parish 62315
19 Vermilion Parish 59928
20 St. Martin Parish 53629
21 St. Charles Parish 52774
22 St. Mary Parish 49739
23 Vernon Parish 48679
24 Lincoln Parish 47174
25 St. Bernard Parish 46724
26 Washington Parish 46601
27 St. John the Baptist Parish 43140
28 Avoyelles Parish 40410
29 Webster Parish 38780
30 Natchitoches Parish 38623
31 Beauregard Parish 37491
32 Evangeline Parish 33457
33 Iberville Parish 32719
34 Jefferson Davis Parish 31574
35 De Soto Parish 27412
36 West Baton Rouge Parish 26451
37 Allen Parish 25535
38 Morehouse Parish 25304
39 Sabine Parish 23909
40 Plaquemines Parish 23411
41 Grant Parish 22430
42 Assumption Parish 22280
43 Union Parish 22209
44 Pointe Coupee Parish 21856
45 St. James Parish 21131
46 Richland Parish 20215
47 Franklin Parish 20170
48 Concordia Parish 19618
49 East Feliciana Parish 19272
50 Jackson Parish 15944
51 Claiborne Parish 15912
52 West Feliciana Parish 15474
53 LaSalle Parish 14900
54 Winn Parish 14132
55 Bienville Parish 13303
56 Madison Parish 11212
57 West Carroll Parish 11008
58 St. Helena Parish 10174
59 Caldwell Parish 9979
60 Catahoula Parish 9571
61 Red River Parish 8496
62 Cameron Parish 7008
63 East Carroll Parish 6971
64 Tensas Parish 4454