RANKING · 2020 CENSUS · 44 SHOWN OF 44

Highest South American population share, Louisiana counties · 2020

Louisiana counties ranked by the share of all residents who are South American origin (2023 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 44 counties in Louisiana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2000

01St. Charles Parish, LALA50,5860.8%–

02Jefferson Parish, LALA431,3980.6%–

03Orleans Parish, LALA362,1540.6%–

04Madison Parish, LALA8,8440.5%–

05Allen Parish, LALA22,6720.5%–

06St. Tammany Parish, LALA279,1080.5%–

07Lafayette Parish, LALA257,9490.4%–

08Lafourche Parish, LALA95,5050.4%–

09Assumption Parish, LALA19,7200.3%–

10Jefferson Davis Parish, LALA31,4710.3%–

11Vernon Parish, LALA45,0910.3%–

12Ascension Parish, LALA135,1050.2%–

13West Carroll Parish, LALA9,1560.2%–

14Evangeline Parish, LALA31,9800.2%–

15East Baton Rouge Parish, LALA456,1800.2%–

16Livingston Parish, LALA155,0360.2%–

17St. Bernard Parish, LALA45,6420.2%–

18Vermilion Parish, LALA57,6710.2%–

19Iberville Parish, LALA29,5790.2%–

20Rapides Parish, LALA125,8770.1%–

21Calcasieu Parish, LALA208,4660.1%–

22St. Landry Parish, LALA80,7650.1%–

23Beauregard Parish, LALA36,6730.1%–

24Catahoula Parish, LALA8,2230.1%–

25Terrebonne Parish, LALA104,1630.1%–

26Lincoln Parish, LALA48,3600.1%–

27Bossier Parish, LALA131,8670.1%–

28Tangipahoa Parish, LALA141,3460.1%–

29Ouachita Parish, LALA158,5420.1%–

30Natchitoches Parish, LALA36,0890.1%–

31Iberia Parish, LALA66,8460.1%–

32Acadia Parish, LALA57,0320.1%–

33Caddo Parish, LALA224,2260.1%–

34Webster Parish, LALA34,9480.1%–

35Plaquemines Parish, LALA22,2560.1%–

36Sabine Parish, LALA21,8340.0%–

37St. Martin Parish, LALA51,1060.0%–

38St. John the Baptist Parish, LALA39,8750.0%–

39St. Mary Parish, LALA46,5520.0%–

40St. Helena Parish, LALA10,7580.0%–

41West Baton Rouge Parish, LALA28,7560.0%–

42LaSalle Parish, LALA15,1540.0%–

43Jackson Parish, LALA15,8340.0%–

44Washington Parish, LALA44,9370.0%–

SHOWING 1–44 OF 44

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES