RANKING · 2020 CENSUS · 29 SHOWN OF 29

Largest Spaniard population, Idaho counties · 2020

Idaho counties ranked by the number of residents who are Spaniard origin, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 29 counties in Idaho that qualify, ranked against each other statewide. The median across all 29 is 63.

Spaniard Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPSPANIARD POPULATIONVS 2010

01Ada County, IDID546,1411,562+40%

02Canyon County, IDID275,123530+10%

03Bingham County, IDID51,153403+374%

04Bonneville County, IDID135,771298+227%

05Bonner County, IDID54,420280+189%

06Kootenai County, IDID191,864280−29%

07Latah County, IDID41,842272+518%

08Bannock County, IDID91,591265+39%

09Jefferson County, IDID35,297178–

10Twin Falls County, IDID97,539161+360%

11Cassia County, IDID26,397126+4100%

12Lincoln County, IDID5,60394–

13Payette County, IDID27,82488+110%

14Shoshone County, IDID14,13067+168%

15Elmore County, IDID29,46563–

16Jerome County, IDID26,36256–

17Nez Perce County, IDID42,90553−49%

18Madison County, IDID55,17245–

19Fremont County, IDID14,20829+480%

20Adams County, IDID5,01328+600%

21Owyhee County, IDID12,66127−84%

22Idaho County, IDID17,87426−13%

23Bear Lake County, IDID6,72724–

24Gem County, IDID21,77316−27%

25Boise County, IDID8,54514–

26Minidoka County, IDID22,91112+33%

27Clearwater County, IDID9,1189–

28Blaine County, IDID25,5177–

29Lewis County, IDID3,7041–

SHOWING 1–29 OF 29

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