RANKING · 2020 CENSUS · 36 SHOWN OF 36

Highest Portuguese population share, Idaho counties · 2020

Idaho counties ranked by the share of all residents who are Portuguese ancestry (2020 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 36 counties in Idaho that qualify, ranked against each other statewide. The median across all 36 is 0.4%.

Portuguese Americans: full group profile →

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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 SHAREVS 2010

01Benewah County, IDID10,5081.7%+1.7 pts

02Elmore County, IDID29,4651.2%+1.0 pts

03Twin Falls County, IDID97,5390.7%−0.2 pts

04Adams County, IDID5,0130.6%−0.6 pts

05Payette County, IDID27,8240.6%+0.1 pts

06Kootenai County, IDID191,8640.6%−0.3 pts

07Lincoln County, IDID5,6030.5%+0.2 pts

08Washington County, IDID11,5830.5%−0.6 pts

09Bonner County, IDID54,4200.5%0.0 pts

10Gooding County, IDID16,4460.5%−0.7 pts

11Boundary County, IDID13,9970.5%–

12Ada County, IDID546,1410.4%−0.1 pts

13Teton County, IDID13,2540.4%+0.1 pts

14Bonneville County, IDID135,7710.4%+0.1 pts

15Lemhi County, IDID8,4740.4%0.0 pts

16Valley County, IDID12,8310.4%−0.1 pts

17Clearwater County, IDID9,1180.4%+0.1 pts

18Canyon County, IDID275,1230.4%−0.2 pts

19Idaho County, IDID17,8740.3%−1.0 pts

20Jerome County, IDID26,3620.3%0.0 pts

21Latah County, IDID41,8420.3%−0.2 pts

22Owyhee County, IDID12,6610.3%+0.1 pts

23Fremont County, IDID14,2080.3%0.0 pts

24Madison County, IDID55,1720.3%−0.3 pts

25Nez Perce County, IDID42,9050.3%+0.2 pts

26Bingham County, IDID51,1530.3%−0.4 pts

27Gem County, IDID21,7730.2%+0.1 pts

28Shoshone County, IDID14,1300.2%+0.2 pts

29Jefferson County, IDID35,2970.2%−0.2 pts

30Blaine County, IDID25,5170.2%−0.4 pts

31Lewis County, IDID3,7040.2%−0.2 pts

32Bannock County, IDID91,5910.1%−0.1 pts

33Minidoka County, IDID22,9110.1%+0.1 pts

34Bear Lake County, IDID6,7270.0%–

35Custer County, IDID4,6360.0%−2.2 pts

36Cassia County, IDID26,3970.0%−0.5 pts

SHOWING 1–36 OF 36

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