RANKING · 2020 CENSUS · 18 SHOWN OF 18

Largest Costa Rican population, Louisiana counties · 2020

Louisiana counties ranked by the number of residents who are Costa Rican origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 18 counties in Louisiana that qualify, ranked against each other statewide. The median across all 18 is 22.

Costa Rican Americans: full group profile →

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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

Largest Costa Rican population by state

RANKPLACESTATEPOPCOSTA RICAN POPULATIONVS 2010

01Jefferson Parish, LALA431,398276−49%

02Caddo Parish, LALA224,226223–

03St. Tammany Parish, LALA279,108193+84%

04Orleans Parish, LALA362,154166+26%

05East Baton Rouge Parish, LALA456,18059−75%

06Rapides Parish, LALA125,87740–

07Ascension Parish, LALA135,10537–

08Bossier Parish, LALA131,86732–

09Lafayette Parish, LALA257,94922–

10St. Charles Parish, LALA50,58620−80%

11Sabine Parish, LALA21,83419–

12Terrebonne Parish, LALA104,16319−72%

13Vernon Parish, LALA45,0919−10%

14St. Mary Parish, LALA46,5528−85%

15Winn Parish, LALA14,9617–

16Tangipahoa Parish, LALA141,3466−70%

17Calcasieu Parish, LALA208,4665−77%

18Tensas Parish, LALA3,7002–

SHOWING 1–18 OF 18

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS