RANKING · 2010 CENSUS · 44 SHOWN OF 44

Highest American population share, Idaho counties · 2010

Idaho counties ranked by the share of all residents who are American ancestry (2023 American Community Survey). A concentration measure: American residents as a percentage of total population. This list covers the 44 counties in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS 2000

01Camas County, IDID1,31620.2%–

02Owyhee County, IDID12,66119.6%–

03Payette County, IDID27,82418.9%–

04Canyon County, IDID275,12318.8%–

05Gem County, IDID21,77315.8%–

06Oneida County, IDID5,08512.8%–

07Kootenai County, IDID191,86412.5%–

08Butte County, IDID2,78310.6%–

09Cassia County, IDID26,39710.6%–

10Minidoka County, IDID22,91110.2%–

11Lemhi County, IDID8,4749.9%–

12Bonneville County, IDID135,7719.9%–

13Washington County, IDID11,5839.6%–

14Elmore County, IDID29,4659.0%–

15Jerome County, IDID26,3628.8%–

16Ada County, IDID546,1418.6%–

17Boise County, IDID8,5458.6%–

18Jefferson County, IDID35,2978.2%–

19Franklin County, IDID15,8898.0%–

20Bear Lake County, IDID6,7278.0%–

21Blaine County, IDID25,5177.9%–

22Nez Perce County, IDID42,9057.7%–

23Valley County, IDID12,8317.6%–

24Boundary County, IDID13,9977.4%–

25Power County, IDID8,2467.2%–

26Bannock County, IDID91,5917.0%–

27Twin Falls County, IDID97,5397.0%–

28Clearwater County, IDID9,1186.7%–

29Clark County, IDID7836.5%–

30Fremont County, IDID14,2086.1%–

31Lincoln County, IDID5,6036.1%–

32Bingham County, IDID51,1535.9%–

33Madison County, IDID55,1725.7%–

34Gooding County, IDID16,4465.6%–

35Bonner County, IDID54,4205.0%–

36Adams County, IDID5,0134.9%–

37Shoshone County, IDID14,1304.4%–

38Caribou County, IDID7,2524.3%–

39Teton County, IDID13,2544.2%–

40Benewah County, IDID10,5083.4%–

41Lewis County, IDID3,7043.0%–

42Latah County, IDID41,8423.0%–

43Idaho County, IDID17,8743.0%–

44Custer County, IDID4,6362.8%–

SHOWING 1–44 OF 44

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES