RANKING · 2010 CENSUS · 35 SHOWN OF 35

Highest Portuguese population share, Idaho counties · 2010

Idaho counties ranked by the share of all residents who are Portuguese ancestry (2010 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 35 counties in Idaho that qualify, ranked against each other statewide. The median across all 35 is 0.4%.

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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 SHAREVS –

01Oneida County, IDID5,0852.4%–

02Custer County, IDID4,6362.2%–

03Idaho County, IDID17,8741.3%–

04Adams County, IDID5,0131.2%–

05Gooding County, IDID16,4461.2%–

06Washington County, IDID11,5831.2%–

07Twin Falls County, IDID97,5390.9%–

08Kootenai County, IDID191,8640.9%–

09Canyon County, IDID275,1230.6%–

10Bingham County, IDID51,1530.6%–

11Madison County, IDID55,1720.6%–

12Cassia County, IDID26,3970.6%–

13Blaine County, IDID25,5170.5%–

14Latah County, IDID41,8420.5%–

15Ada County, IDID546,1410.5%–

16Payette County, IDID27,8240.5%–

17Bonner County, IDID54,4200.5%–

18Valley County, IDID12,8310.4%–

19Lemhi County, IDID8,4740.4%–

20Jefferson County, IDID35,2970.4%–

21Lincoln County, IDID5,6030.3%–

22Bonneville County, IDID135,7710.3%–

23Jerome County, IDID26,3620.3%–

24Lewis County, IDID3,7040.3%–

25Teton County, IDID13,2540.3%–

26Fremont County, IDID14,2080.3%–

27Bannock County, IDID91,5910.3%–

28Owyhee County, IDID12,6610.2%–

29Clearwater County, IDID9,1180.2%–

30Gem County, IDID21,7730.2%–

31Elmore County, IDID29,4650.2%–

32Benewah County, IDID10,5080.1%–

33Nez Perce County, IDID42,9050.1%–

34Shoshone County, IDID14,1300.0%–

35Minidoka County, IDID22,9110.0%–

SHOWING 1–35 OF 35

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