RANKING · 2010 CENSUS · 44 SHOWN OF 44

Largest American population, Idaho counties · 2010

Idaho counties ranked by the number of residents who are American ancestry, from the 2010 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. The median across all 44 is 970.

American ancestry: full group profile →

IdahoAll states All rankings

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 –

01Canyon County, IDID275,12334,389–

02Ada County, IDID546,14132,827–

03Kootenai County, IDID191,86416,906–

04Bonneville County, IDID135,7719,908–

05Bannock County, IDID91,5915,659–

06Twin Falls County, IDID97,5395,213–

07Payette County, IDID27,8244,248–

08Nez Perce County, IDID42,9052,987–

09Gem County, IDID21,7732,646–

10Bingham County, IDID51,1532,628–

11Elmore County, IDID29,4652,404–

12Cassia County, IDID26,3972,341–

13Owyhee County, IDID12,6612,230–

14Madison County, IDID55,1722,075–

15Jefferson County, IDID35,2972,019–

16Bonner County, IDID54,4202,016–

17Minidoka County, IDID22,9111,983–

18Jerome County, IDID26,3621,878–

19Blaine County, IDID25,5171,683–

20Latah County, IDID41,8421,100–

21Franklin County, IDID15,889998–

22Washington County, IDID11,583970–

23Gooding County, IDID16,446847–

24Boundary County, IDID13,997799–

25Fremont County, IDID14,208795–

26Lemhi County, IDID8,474779–

27Valley County, IDID12,831744–

28Boise County, IDID8,545609–

29Clearwater County, IDID9,118589–

30Shoshone County, IDID14,130572–

31Power County, IDID8,246551–

32Oneida County, IDID5,085541–

33Bear Lake County, IDID6,727481–

34Idaho County, IDID17,874478–

35Teton County, IDID13,254395–

36Benewah County, IDID10,508319–

37Lincoln County, IDID5,603305–

38Butte County, IDID2,783301–

39Caribou County, IDID7,252298–

40Camas County, IDID1,316246–

41Adams County, IDID5,013193–

42Custer County, IDID4,636119–

43Lewis County, IDID3,704113–

44Clark County, IDID78356–

SHOWING 1–44 OF 44

Download CSV (full list, 44 rows)

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