RANKING · 2024 ACS · 44 SHOWN OF 44

Most foreign-born residents, Idaho counties

Idaho counties ranked by the share of residents born outside the US (2024 ACS). This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 4.4%. Biggest climber in the top 100 since 2020: Custer County, ID, up 22 places to #21.

IdahoAll states All rankings

SAME RANKING BYCities States Metros ZIP codes

YEAR2010 2020 2024

RANKPLACESTATEPOPFOREIGN-BORNVS 2010

01Clark County, IDID78319.3%−10.1 pts

02Jerome County, IDID26,36217.9%+1.8 pts

03Lincoln County, IDID5,60315.7%+1.5 pts

04▲3Gooding County, IDID16,44614.0%−0.6 pts

05▼1Blaine County, IDID25,51713.8%−1.2 pts

06Power County, IDID8,24612.9%0.0 pts

07▼2Minidoka County, IDID22,91111.8%+0.9 pts

08▲1Owyhee County, IDID12,66110.8%−3.2 pts

09▲4Teton County, IDID13,25410.6%+1.5 pts

10Cassia County, IDID26,39710.3%+0.4 pts

11▼3Elmore County, IDID29,4659.3%+1.0 pts

12Canyon County, IDID275,1238.7%−0.4 pts

13▼2Twin Falls County, IDID97,5398.5%+0.8 pts

14Washington County, IDID11,5836.4%−1.9 pts

15▲2Ada County, IDID546,1416.2%+0.4 pts

16▲7Gem County, IDID21,7736.2%+1.3 pts

17▲1Bingham County, IDID51,1535.7%−0.8 pts

18▼2Fremont County, IDID14,2085.5%−1.0 pts

19▲3Madison County, IDID55,1725.2%+2.3 pts

20▼5Payette County, IDID27,8245.1%+1.3 pts

21▲22Custer County, IDID4,6364.8%+3.6 pts

22▲4Boundary County, IDID13,9974.4%+1.6 pts

23▲5Jefferson County, IDID35,2974.2%−0.4 pts

24▼4Bonneville County, IDID135,7714.1%−1.0 pts

25▼6Latah County, IDID41,8423.9%0.0 pts

26▼5Caribou County, IDID7,2523.9%+0.6 pts

27▲2Bannock County, IDID91,5913.4%+0.5 pts

28▲16Butte County, IDID2,7832.9%+0.9 pts

29▲5Franklin County, IDID15,8892.6%−0.2 pts

30▲3Kootenai County, IDID191,8642.3%−0.3 pts

31Bonner County, IDID54,4202.2%−0.6 pts

32▼8Clearwater County, IDID9,1182.1%+0.2 pts

33▲7Idaho County, IDID17,8742.1%+0.7 pts

34▼7Boise County, IDID8,5452.0%−0.4 pts

35▲3Shoshone County, IDID14,1301.8%+0.5 pts

36Nez Perce County, IDID42,9051.7%−0.1 pts

37▼5Bear Lake County, IDID6,7271.7%+1.3 pts

38▲3Valley County, IDID12,8311.4%−1.1 pts

39▼9Camas County, IDID1,3161.3%−7.6 pts

40▼3Lewis County, IDID3,7041.2%−0.9 pts

41▼16Oneida County, IDID5,0851.1%+1.0 pts

42▼3Benewah County, IDID10,5080.7%−0.5 pts

43▼8Lemhi County, IDID8,4740.6%−0.6 pts

44▼2Adams County, IDID5,0130.5%−0.6 pts

SHOWING 1–44 OF 44

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES