RANKING · 2020 CENSUS · 44 SHOWN OF 44

Largest South American population, Louisiana counties · 2020

Louisiana counties ranked by the number of residents who are South American 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 44 counties in Louisiana that qualify, ranked against each other statewide. The median across all 44 is 88.

South Americans: full group profile →

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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 POPULATIONVS 2010

01Jefferson Parish, LALA431,3982,742+8%

02Orleans Parish, LALA362,1542,187+29%

03St. Tammany Parish, LALA279,1081,169+29%

04Lafayette Parish, LALA257,949949+39%

05East Baton Rouge Parish, LALA456,180931−22%

06St. Charles Parish, LALA50,586437+239%

07Lafourche Parish, LALA95,505349+134%

08Ascension Parish, LALA135,105309+58%

09Livingston Parish, LALA155,036292−30%

10Calcasieu Parish, LALA208,466280+77%

11Rapides Parish, LALA125,877181−25%

12Ouachita Parish, LALA158,542180−5%

13Tangipahoa Parish, LALA141,346157+57%

14Bossier Parish, LALA131,867151+439%

15Terrebonne Parish, LALA104,163148+47%

16Allen Parish, LALA22,672135+309%

17Caddo Parish, LALA224,226131−42%

18Vernon Parish, LALA45,091131+31%

19St. Landry Parish, LALA80,765114–

20Vermilion Parish, LALA57,671106–

21Jefferson Davis Parish, LALA31,47197–

22St. Bernard Parish, LALA45,64288−31%

23Evangeline Parish, LALA31,98075+838%

24Assumption Parish, LALA19,72073–

25Madison Parish, LALA8,84461–

26Lincoln Parish, LALA48,36057−10%

27Beauregard Parish, LALA36,67351+113%

28Iberville Parish, LALA29,57949–

29Iberia Parish, LALA66,84646−29%

30Acadia Parish, LALA57,03239+1200%

31Natchitoches Parish, LALA36,08934−13%

32West Carroll Parish, LALA9,15626−59%

33St. Martin Parish, LALA51,10622–

34Webster Parish, LALA34,94820+82%

35St. Mary Parish, LALA46,55217+55%

36St. John the Baptist Parish, LALA39,87517−73%

37Catahoula Parish, LALA8,22313–

38Plaquemines Parish, LALA22,25612–

39Sabine Parish, LALA21,83410+25%

40West Baton Rouge Parish, LALA28,7565−69%

41St. Helena Parish, LALA10,7582−86%

42Jackson Parish, LALA15,8341–

43LaSalle Parish, LALA15,1541–

44Washington Parish, LALA44,9371–

SHOWING 1–44 OF 44

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