RANKING · 2024 ACS · 18 SHOWN OF 18

Highest Costa Rican population share, Louisiana counties

Louisiana counties ranked by the share of all residents who are Costa Rican origin (2024 American Community Survey). A concentration measure: Costa Rican residents as a percentage of total population. This list covers the 18 counties in Louisiana that qualify, ranked against each other statewide. The median across all 18 is 0.1%. Biggest climber in the top 100 since 2020: East Baton Rouge Parish, LA, up 7 places to #8.

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RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

Highest Costa Rican population share by state

RANKPLACESTATEPOPCOSTA RICAN SHAREVS 2010

01St. Bernard Parish, LALA45,6420.4%+0.2 pts

02▲6St. Charles Parish, LALA50,5860.3%+0.1 pts

03▲4Orleans Parish, LALA362,1540.2%+0.2 pts

04Lafourche Parish, LALA95,5050.1%+0.1 pts

05▼1Jefferson Parish, LALA431,3980.1%0.0 pts

06St. Helena Parish, LALA10,7580.1%–

07▲5Vernon Parish, LALA45,0910.1%+0.1 pts

08▲7East Baton Rouge Parish, LALA456,1800.1%0.0 pts

09▼6St. Tammany Parish, LALA279,1080.1%0.0 pts

10Union Parish, LALA20,5610.1%–

11▼1Ascension Parish, LALA135,1050.1%–

12▼10Sabine Parish, LALA21,8340.0%–

13Evangeline Parish, LALA31,9800.0%–

14▲2Lafayette Parish, LALA257,9490.0%–

15Livingston Parish, LALA155,0360.0%0.0 pts

16St. Martin Parish, LALA51,1060.0%–

17Tangipahoa Parish, LALA141,3460.0%0.0 pts

18St. Landry Parish, LALA80,7650.0%–

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES