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.
Related Topics: Louisiana Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2015 Census.
See this for other years:
Ranking of Louisiana Counties By Population in 2015
Rank | County | Population |
|---|---|---|
| 1 | East Baton Rouge Parish | 445,776 |
| 2 | Jefferson Parish | 435,358 |
| 3 | Orleans Parish | 390,094 |
| 4 | Caddo Parish | 251,499 |
| 5 | St. Tammany Parish | 249,116 |
| 6 | Lafayette Parish | 239,654 |
| 7 | Calcasieu Parish | 198,542 |
| 8 | Ouachita Parish | 156,916 |
| 9 | Livingston Parish | 137,202 |
| 10 | Rapides Parish | 131,821 |
| 11 | Tangipahoa Parish | 128,774 |
| 12 | Bossier Parish | 125,634 |
| 13 | Ascension Parish | 119,417 |
| 14 | Terrebonne Parish | 113,894 |
| 15 | Lafourche Parish | 98,279 |
| 16 | St. Landry Parish | 83,693 |
| 17 | Iberia Parish | 73,548 |
| 18 | Acadia Parish | 62,696 |
| 19 | Vermilion Parish | 59,928 |
| 20 | St. Martin Parish | 53,891 |
| 21 | St. Mary Parish | 52,908 |
| 22 | St. Charles Parish | 52,587 |
| 23 | Vernon Parish | 51,535 |
| 24 | Lincoln Parish | 47,469 |
| 25 | Washington Parish | 46,365 |
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