RANKING · 2020 CENSUS · 37 SHOWN OF 37

Largest Portuguese population, Louisiana counties · 2020

Louisiana counties ranked by the number of residents who are Portuguese ancestry, 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 37 counties in Louisiana that qualify, ranked against each other statewide.

Portuguese Americans: full group profile →

LouisianaAll states All rankings

SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE POPULATIONVS 2010

01Orleans Parish, LALA362,154789+213%

02St. Tammany Parish, LALA279,108507+4%

03Jefferson Parish, LALA431,398306−64%

04East Baton Rouge Parish, LALA456,180232−51%

05Lafayette Parish, LALA257,949229−41%

06St. Bernard Parish, LALA45,642147–

07Calcasieu Parish, LALA208,466143−58%

08Caddo Parish, LALA224,226135−25%

09Ascension Parish, LALA135,105131−35%

10Terrebonne Parish, LALA104,163111−59%

11St. John the Baptist Parish, LALA39,875109+110%

12Livingston Parish, LALA155,036107+35%

13Lafourche Parish, LALA95,505101−16%

14Rapides Parish, LALA125,87789+2%

15Lincoln Parish, LALA48,36087+211%

16St. Martin Parish, LALA51,10669–

17Ouachita Parish, LALA158,54262−35%

18Assumption Parish, LALA19,72056+65%

19Iberville Parish, LALA29,57953–

20St. Charles Parish, LALA50,58649+40%

21Richland Parish, LALA19,58242+250%

22Bossier Parish, LALA131,86739−69%

23Vermilion Parish, LALA57,67138+41%

24Vernon Parish, LALA45,09133−84%

25Iberia Parish, LALA66,84623−50%

26St. Mary Parish, LALA46,55222−75%

27Acadia Parish, LALA57,03222−50%

28Beauregard Parish, LALA36,67319−76%

29St. Landry Parish, LALA80,76518+500%

30Franklin Parish, LALA19,00215–

31Washington Parish, LALA44,93714+75%

32LaSalle Parish, LALA15,15413–

33Sabine Parish, LALA21,83411−62%

34Grant Parish, LALA22,0758−33%

35Jefferson Davis Parish, LALA31,4714–

36Tangipahoa Parish, LALA141,3462−99%

37Avoyelles Parish, LALA37,9411–

SHOWING 1–37 OF 37

Download CSV (full list, 37 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS