RANKING · 2024 ACS · 44 SHOWN OF 44

Highest American population share, Idaho counties

Idaho counties ranked by the share of all residents who are American ancestry (2024 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

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN SHAREVS 2010

01Camas County, IDID1,31616.8%−3.4 pts

02Clark County, IDID78313.9%+7.4 pts

03Blaine County, IDID25,51710.7%+2.8 pts

04Lincoln County, IDID5,6039.9%+3.8 pts

05Franklin County, IDID15,8899.6%+1.6 pts

06Minidoka County, IDID22,9118.7%−1.5 pts

07Bingham County, IDID51,1538.1%+2.2 pts

08Butte County, IDID2,7837.5%−3.1 pts

09Gooding County, IDID16,4467.2%+1.6 pts

10Cassia County, IDID26,3977.0%−3.6 pts

11Fremont County, IDID14,2086.9%+0.9 pts

12Jerome County, IDID26,3626.8%−2.0 pts

13Bonneville County, IDID135,7716.8%−3.1 pts

14Boise County, IDID8,5456.6%−1.9 pts

15Boundary County, IDID13,9976.6%−0.9 pts

16Twin Falls County, IDID97,5396.5%−0.4 pts

17Valley County, IDID12,8316.5%−1.0 pts

18Madison County, IDID55,1726.5%+0.8 pts

19Gem County, IDID21,7736.2%−9.6 pts

20Washington County, IDID11,5836.1%−3.5 pts

21Teton County, IDID13,2546.1%+1.9 pts

22Idaho County, IDID17,8745.9%+3.0 pts

23Benewah County, IDID10,5085.9%+2.4 pts

24Owyhee County, IDID12,6615.7%−13.9 pts

25Bannock County, IDID91,5915.7%−1.3 pts

26Jefferson County, IDID35,2975.5%−2.7 pts

27Payette County, IDID27,8245.2%−13.7 pts

28Lemhi County, IDID8,4745.1%−4.8 pts

29Shoshone County, IDID14,1305.1%+0.6 pts

30Canyon County, IDID275,1235.0%−13.8 pts

31Caribou County, IDID7,2524.8%+0.5 pts

32Custer County, IDID4,6364.6%+1.8 pts

33Bear Lake County, IDID6,7274.6%−3.4 pts

34Bonner County, IDID54,4204.5%−0.4 pts

35Clearwater County, IDID9,1184.5%−2.2 pts

36Power County, IDID8,2464.4%−2.8 pts

37Elmore County, IDID29,4654.3%−4.7 pts

38Ada County, IDID546,1414.3%−4.4 pts

39Oneida County, IDID5,0854.0%−8.8 pts

40Kootenai County, IDID191,8644.0%−8.6 pts

41Latah County, IDID41,8423.8%+0.8 pts

42Nez Perce County, IDID42,9053.7%−4.0 pts

43Lewis County, IDID3,7043.3%+0.3 pts

44Adams County, IDID5,0133.0%−1.9 pts

SHOWING 1–44 OF 44

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES