RANKING · 2024 ACS · 44 SHOWN OF 44

Largest Mexican population, Idaho counties

Idaho counties ranked by the number of residents who are Mexican origin, 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.

Mexican Americans: full group profile →

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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 2010

01Canyon County, IDID275,12355,088+46%

02Ada County, IDID546,14136,231+74%

03Bonneville County, IDID135,77115,628+66%

04Twin Falls County, IDID97,53914,343+67%

05Jerome County, IDID26,3629,049+61%

06Bingham County, IDID51,1537,779+18%

07Minidoka County, IDID22,9117,037+31%

08Cassia County, IDID26,3976,811+40%

09Kootenai County, IDID191,8646,793+76%

10Bannock County, IDID91,5916,787+54%

11Gooding County, IDID16,4464,336+25%

12Elmore County, IDID29,4654,251+19%

13Payette County, IDID27,8244,251+48%

14Blaine County, IDID25,5174,239+20%

15Madison County, IDID55,1723,797+180%

16Owyhee County, IDID12,6612,903+18%

17Jefferson County, IDID35,2972,840+34%

18Power County, IDID8,2462,450+19%

19Washington County, IDID11,5831,735+20%

20Teton County, IDID13,2541,695+39%

21Gem County, IDID21,7731,582+53%

22Lincoln County, IDID5,6031,549+35%

23Fremont County, IDID14,2081,492−1%

24Nez Perce County, IDID42,9051,477+134%

25Bonner County, IDID54,4201,263+85%

26Latah County, IDID41,8421,252+31%

27Franklin County, IDID15,889686+8%

28Boundary County, IDID13,997658+159%

29Idaho County, IDID17,874525+71%

30Shoshone County, IDID14,130377+39%

31Clearwater County, IDID9,118350+70%

32Caribou County, IDID7,252334+27%

33Boise County, IDID8,545323+115%

34Benewah County, IDID10,508282+47%

35Clark County, IDID783241−42%

36Valley County, IDID12,831238+42%

37Oneida County, IDID5,085196+403%

38Lemhi County, IDID8,474195+35%

39Bear Lake County, IDID6,727182+18%

40Butte County, IDID2,783167+132%

41Custer County, IDID4,636134+84%

42Adams County, IDID5,013129+330%

43Lewis County, IDID3,704120+22%

44Camas County, IDID1,316100−40%

SHOWING 1–44 OF 44

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