RANKING · 2010 CENSUS · 44 SHOWN OF 44

Largest Mexican population, Idaho counties · 2010

Idaho counties ranked by the number of residents who are Mexican origin, from the 2023 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 Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN POPULATIONVS 2000

01Canyon County, IDID275,12337,686–

02Ada County, IDID546,14120,865–

03Bonneville County, IDID135,7719,387–

04Twin Falls County, IDID97,5398,613–

05Bingham County, IDID51,1536,583–

06Jerome County, IDID26,3625,627–

07Minidoka County, IDID22,9115,363–

08Cassia County, IDID26,3974,870–

09Bannock County, IDID91,5914,418–

10Kootenai County, IDID191,8643,866–

11Elmore County, IDID29,4653,576–

12Blaine County, IDID25,5173,528–

13Gooding County, IDID16,4463,479–

14Payette County, IDID27,8242,863–

15Owyhee County, IDID12,6612,450–

16Jefferson County, IDID35,2972,126–

17Power County, IDID8,2462,061–

18Fremont County, IDID14,2081,504–

19Washington County, IDID11,5831,445–

20Madison County, IDID55,1721,358–

21Teton County, IDID13,2541,216–

22Lincoln County, IDID5,6031,146–

23Gem County, IDID21,7731,031–

24Latah County, IDID41,842953–

25Bonner County, IDID54,420682–

26Franklin County, IDID15,889636–

27Nez Perce County, IDID42,905630–

28Clark County, IDID783416–

29Idaho County, IDID17,874307–

30Shoshone County, IDID14,130272–

31Caribou County, IDID7,252263–

32Boundary County, IDID13,997254–

33Clearwater County, IDID9,118206–

34Benewah County, IDID10,508192–

35Camas County, IDID1,316168–

36Valley County, IDID12,831168–

37Bear Lake County, IDID6,727154–

38Boise County, IDID8,545150–

39Lemhi County, IDID8,474144–

40Lewis County, IDID3,70498–

41Custer County, IDID4,63673–

42Butte County, IDID2,78372–

43Oneida County, IDID5,08539–

44Adams County, IDID5,01330–

SHOWING 1–44 OF 44

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES