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 (2020 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 6.4%.

Mexican Americans: full group profile →

IdahoAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN SHAREVS 2010

01Clark County, IDID78333.7%−14.9 pts

02Minidoka County, IDID22,91132.5%+5.1 pts

03Power County, IDID8,24631.2%+4.2 pts

04Jerome County, IDID26,36229.9%+3.5 pts

05Lincoln County, IDID5,60328.6%+5.8 pts

06Gooding County, IDID16,44628.1%+5.1 pts

07Cassia County, IDID26,39724.7%+2.7 pts

08Owyhee County, IDID12,66124.0%+2.5 pts

09Canyon County, IDID275,12322.3%+1.7 pts

10Blaine County, IDID25,51720.3%+3.8 pts

11Washington County, IDID11,58316.9%+2.6 pts

12Payette County, IDID27,82416.5%+3.7 pts

13Bingham County, IDID51,15316.0%+1.2 pts

14Twin Falls County, IDID97,53915.2%+3.7 pts

15Teton County, IDID13,25414.0%+1.1 pts

16Elmore County, IDID29,46513.2%−0.2 pts

17Bonneville County, IDID135,77112.0%+2.6 pts

18Fremont County, IDID14,20811.3%−0.2 pts

19Jefferson County, IDID35,2979.4%+0.7 pts

20Bannock County, IDID91,5917.2%+1.7 pts

21Gem County, IDID21,7736.6%+0.5 pts

22Ada County, IDID546,1416.4%+0.9 pts

23Caribou County, IDID7,2526.2%+2.4 pts

24Madison County, IDID55,1725.5%+1.8 pts

25Valley County, IDID12,8314.7%+3.0 pts

26Oneida County, IDID5,0854.4%+3.5 pts

27Lewis County, IDID3,7044.3%+1.7 pts

28Butte County, IDID2,7833.9%+1.4 pts

29Franklin County, IDID15,8893.9%−1.2 pts

30Kootenai County, IDID191,8643.6%+0.8 pts

31Custer County, IDID4,6363.5%+1.8 pts

32Benewah County, IDID10,5083.4%+1.3 pts

33Nez Perce County, IDID42,9053.3%+1.7 pts

34Boundary County, IDID13,9973.2%+0.9 pts

35Bear Lake County, IDID6,7273.2%+0.7 pts

36Latah County, IDID41,8422.9%+0.3 pts

37Boise County, IDID8,5452.9%+0.8 pts

38Shoshone County, IDID14,1302.7%+0.5 pts

39Camas County, IDID1,3162.6%−11.2 pts

40Idaho County, IDID17,8742.6%+0.7 pts

41Clearwater County, IDID9,1182.4%+0.1 pts

42Lemhi County, IDID8,4742.0%+0.2 pts

43Bonner County, IDID54,4201.9%+0.2 pts

44Adams County, IDID5,0131.2%+0.4 pts

SHOWING 1–44 OF 44

Download CSV (full list, 44 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS