RANKING · 2020 CENSUS · 36 SHOWN OF 36

Largest Portuguese population, Idaho counties · 2020

Idaho 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 36 counties in Idaho that qualify, ranked against each other statewide. The median across all 36 is 55.

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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

01Ada County, IDID546,1412,0020%

02Kootenai County, IDID191,864957−17%

03Canyon County, IDID275,123819−27%

04Twin Falls County, IDID97,539579−10%

05Bonneville County, IDID135,771470+41%

06Elmore County, IDID29,465327+643%

07Bonner County, IDID54,420228+12%

08Benewah County, IDID10,508161+2583%

09Payette County, IDID27,824141+25%

10Latah County, IDID41,842123−38%

11Bingham County, IDID51,153117−57%

12Nez Perce County, IDID42,905108+414%

13Madison County, IDID55,172107−48%

14Bannock County, IDID91,59192−55%

15Gooding County, IDID16,44677−57%

16Jerome County, IDID26,36274+7%

17Boundary County, IDID13,99756–

18Jefferson County, IDID35,29755−40%

19Idaho County, IDID17,87453−75%

20Washington County, IDID11,58353−55%

21Teton County, IDID13,25450+67%

22Gem County, IDID21,77344+57%

23Blaine County, IDID25,51741−64%

24Valley County, IDID12,83141−2%

25Fremont County, IDID14,208380%

26Owyhee County, IDID12,66134+26%

27Clearwater County, IDID9,11832+60%

28Shoshone County, IDID14,13031+1450%

29Lemhi County, IDID8,474300%

30Lincoln County, IDID5,60328+65%

31Adams County, IDID5,01327−44%

32Minidoka County, IDID22,91118+500%

33Lewis County, IDID3,7046−50%

34Cassia County, IDID26,3974−97%

35Bear Lake County, IDID6,7273–

36Custer County, IDID4,6361−99%

SHOWING 1–36 OF 36

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