RANKING · 2020 CENSUS · 44 SHOWN OF 44

Highest Mexican population share, Idaho counties · 2020

Idaho counties ranked by the share of all residents who are Mexican origin (2023 American Community Survey). A concentration measure: Mexican 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

RELATEDLargest Mexican population Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2000

01Clark County, IDID78333.7%–

02Minidoka County, IDID22,91132.5%–

03Power County, IDID8,24631.2%–

04Jerome County, IDID26,36229.9%–

05Lincoln County, IDID5,60328.6%–

06Gooding County, IDID16,44628.1%–

07Cassia County, IDID26,39724.7%–

08Owyhee County, IDID12,66124.0%–

09Canyon County, IDID275,12322.3%–

10Blaine County, IDID25,51720.3%–

11Washington County, IDID11,58316.9%–

12Payette County, IDID27,82416.5%–

13Bingham County, IDID51,15316.0%–

14Twin Falls County, IDID97,53915.2%–

15Teton County, IDID13,25414.0%–

16Elmore County, IDID29,46513.2%–

17Bonneville County, IDID135,77112.0%–

18Fremont County, IDID14,20811.3%–

19Jefferson County, IDID35,2979.4%–

20Bannock County, IDID91,5917.2%–

21Gem County, IDID21,7736.6%–

22Ada County, IDID546,1416.4%–

23Caribou County, IDID7,2526.2%–

24Madison County, IDID55,1725.5%–

25Valley County, IDID12,8314.7%–

26Oneida County, IDID5,0854.4%–

27Lewis County, IDID3,7044.3%–

28Butte County, IDID2,7833.9%–

29Franklin County, IDID15,8893.9%–

30Kootenai County, IDID191,8643.6%–

31Custer County, IDID4,6363.5%–

32Benewah County, IDID10,5083.4%–

33Nez Perce County, IDID42,9053.3%–

34Boundary County, IDID13,9973.2%–

35Bear Lake County, IDID6,7273.2%–

36Latah County, IDID41,8422.9%–

37Boise County, IDID8,5452.9%–

38Shoshone County, IDID14,1302.7%–

39Camas County, IDID1,3162.6%–

40Idaho County, IDID17,8742.6%–

41Clearwater County, IDID9,1182.4%–

42Lemhi County, IDID8,4742.0%–

43Bonner County, IDID54,4201.9%–

44Adams County, IDID5,0131.2%–

SHOWING 1–44 OF 44

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