RANKING · 2024 ACS · 44 SHOWN OF 44

Largest American population, Idaho counties

Idaho counties ranked by the number of residents who are American ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 44 counties in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

01Ada County, IDID546,14122,141−33%

02Canyon County, IDID275,12312,473−64%

03Bonneville County, IDID135,7718,772−11%

04Kootenai County, IDID191,8647,251−57%

05Twin Falls County, IDID97,5396,139+18%

06Bannock County, IDID91,5915,076−10%

07Bingham County, IDID51,1534,021+53%

08Madison County, IDID55,1723,549+71%

09Blaine County, IDID25,5172,670+59%

10Bonner County, IDID54,4202,304+14%

11Minidoka County, IDID22,9111,926−3%

12Jefferson County, IDID35,2971,832−9%

13Cassia County, IDID26,3971,776−24%

14Jerome County, IDID26,3621,719−8%

15Latah County, IDID41,8421,567+42%

16Nez Perce County, IDID42,9051,567−48%

17Franklin County, IDID15,8891,443+45%

18Payette County, IDID27,8241,389−67%

19Gem County, IDID21,7731,279−52%

20Elmore County, IDID29,4651,262−48%

21Gooding County, IDID16,4461,141+35%

22Idaho County, IDID17,8741,037+117%

23Fremont County, IDID14,208968+22%

24Boundary County, IDID13,997863+8%

25Valley County, IDID12,831809+9%

26Teton County, IDID13,254754+91%

27Owyhee County, IDID12,661714−68%

28Shoshone County, IDID14,130699+22%

29Washington County, IDID11,583680−30%

30Benewah County, IDID10,508594+86%

31Boise County, IDID8,545548−10%

32Lincoln County, IDID5,603529+73%

33Lemhi County, IDID8,474420−46%

34Clearwater County, IDID9,118403−32%

35Power County, IDID8,246356−35%

36Caribou County, IDID7,252344+15%

37Bear Lake County, IDID6,727304−37%

38Custer County, IDID4,636206+73%

39Butte County, IDID2,783202−33%

40Oneida County, IDID5,085193−64%

41Camas County, IDID1,316189−23%

42Adams County, IDID5,013142−26%

43Lewis County, IDID3,704122+8%

44Clark County, IDID783118+111%

SHOWING 1–44 OF 44

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES