Ranking of Louisiana Counties By Population in 2012

Updated on July 26, 2024.

Based on the US Census Vintage data estimates, in 2012, the Population for Louisiana was 4.60M. Among all Louisiana counties, East Baton Rouge Parish had the highest population (443.08K), followed by Jefferson Parish (434.05K), and Orleans Parish (369.95K).

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.

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Ranking of Louisiana Counties By Population in 2012
East Baton Rouge
443.08K
Jefferson
434.05K
Orleans
369.95K
Caddo
257.37K
St. Tammany
239.15K
Lafayette
227.55K
Calcasieu
194.52K
Ouachita
155.26K
Rapides
132.02K
Livingston
131.52K
Ranking of Louisiana Counties By Population in 2012
Rank
County
Population
1 East Baton Rouge Parish 443,075
2 Jefferson Parish 434,049
3 Orleans Parish 369,947
4 Caddo Parish 257,367
5 St. Tammany Parish 239,154
6 Lafayette Parish 227,554
7 Calcasieu Parish 194,516
8 Ouachita Parish 155,265
9 Rapides Parish 132,022
10 Livingston Parish 131,521
11 Tangipahoa Parish 123,656
12 Bossier Parish 123,177
13 Ascension Parish 112,238
14 Terrebonne Parish 111,762
15 Lafourche Parish 97,131
16 St. Landry Parish 83,487
17 Iberia Parish 73,446
18 Acadia Parish 62,007
19 Vermilion Parish 58,637
20 Vernon Parish 54,173
21 St. Mary Parish 53,583
22 St. Martin Parish 52,664
23 St. Charles Parish 52,429
24 Lincoln Parish 47,039
25 Washington Parish 46,675
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