RANKING · 2024 ACS · 44 SHOWN OF 44

Highest Mexican population share, Idaho counties

Idaho counties ranked by the share of all residents who are Mexican origin (2024 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. The median across all 44 is 7.6%. Biggest climber in the top 100 since 2020: Camas County, ID, up 20 places to #19.

Mexican Americans: full group profile →

IdahoAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2010

01▲3Jerome County, IDID26,36235.9%+9.5 pts

02Minidoka County, IDID22,91131.7%+4.2 pts

03Power County, IDID8,24630.1%+3.1 pts

04▲1Lincoln County, IDID5,60328.9%+6.1 pts

05▼4Clark County, IDID78328.4%−20.2 pts

06Gooding County, IDID16,44627.2%+4.2 pts

07Cassia County, IDID26,39726.7%+4.7 pts

08Owyhee County, IDID12,66123.2%+1.7 pts

09Canyon County, IDID275,12322.0%+1.3 pts

10Blaine County, IDID25,51717.0%+0.4 pts

11▲1Payette County, IDID27,82415.9%+3.1 pts

12▲1Bingham County, IDID51,15315.7%+0.9 pts

13▼2Washington County, IDID11,58315.6%+1.3 pts

14Twin Falls County, IDID97,53915.3%+3.8 pts

15▲1Elmore County, IDID29,46514.5%+1.1 pts

16▼1Teton County, IDID13,25413.6%+0.7 pts

17Bonneville County, IDID135,77112.1%+2.7 pts

18Fremont County, IDID14,20810.7%−0.8 pts

19▲20Camas County, IDID1,3168.9%−4.9 pts

20▼1Jefferson County, IDID35,2978.6%−0.1 pts

21Gem County, IDID21,7737.7%+1.5 pts

22▼2Bannock County, IDID91,5917.6%+2.1 pts

23▼1Ada County, IDID546,1417.0%+1.5 pts

24Madison County, IDID55,1727.0%+3.2 pts

25▲3Butte County, IDID2,7836.2%+3.7 pts

26▲8Boundary County, IDID13,9975.0%+2.6 pts

27▼4Caribou County, IDID7,2524.7%+0.9 pts

28▲1Franklin County, IDID15,8894.6%−0.5 pts

29▼3Oneida County, IDID5,0854.1%+3.2 pts

30▲7Boise County, IDID8,5453.9%+1.8 pts

31▲10Clearwater County, IDID9,1183.9%+1.5 pts

32▼2Kootenai County, IDID191,8643.7%+0.9 pts

33Nez Perce County, IDID42,9053.5%+1.8 pts

34▼7Lewis County, IDID3,7043.3%+0.7 pts

35▲1Latah County, IDID41,8423.1%+0.4 pts

36▲4Idaho County, IDID17,8743.0%+1.1 pts

37▼6Custer County, IDID4,6363.0%+1.3 pts

38▼6Benewah County, IDID10,5082.8%+0.7 pts

39▼4Bear Lake County, IDID6,7272.7%+0.2 pts

40▼2Shoshone County, IDID14,1302.7%+0.6 pts

41▲3Adams County, IDID5,0132.7%+2.0 pts

42▲1Bonner County, IDID54,4202.5%+0.8 pts

43▼1Lemhi County, IDID8,4742.4%+0.5 pts

44▼19Valley County, IDID12,8311.9%+0.2 pts

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