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 (2010 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. The median across all 44 is 7.7%.

American ancestry: full group profile →

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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 –

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