RANKING · 2024 ACS · 37 SHOWN OF 37

Largest Czech population, Idaho counties

Idaho counties ranked by the number of residents who are Czech ancestry, 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 37 counties in Idaho that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPCZECH POPULATIONVS 2010

01Ada County, IDID546,1412,229−16%

02Canyon County, IDID275,123629−4%

03Kootenai County, IDID191,864436−53%

04Twin Falls County, IDID97,539363−29%

05Madison County, IDID55,172296+480%

06Nez Perce County, IDID42,905248+31%

07Bonner County, IDID54,420238+55%

08Payette County, IDID27,824222+164%

09Bannock County, IDID91,591188−56%

10Blaine County, IDID25,517151−46%

11Bonneville County, IDID135,771150−44%

12Idaho County, IDID17,874149+77%

13Latah County, IDID41,842129−55%

14Power County, IDID8,246125+558%

15Clearwater County, IDID9,11869−3%

16Gem County, IDID21,77354+500%

17Teton County, IDID13,25440+1900%

18Jerome County, IDID26,36239+680%

19Oneida County, IDID5,08536+1100%

20Elmore County, IDID29,46532−79%

21Minidoka County, IDID22,91132−88%

22Bingham County, IDID51,15324−91%

23Shoshone County, IDID14,13023−71%

24Lincoln County, IDID5,60320+567%

25Jefferson County, IDID35,29718−69%

26Lemhi County, IDID8,47417+89%

27Cassia County, IDID26,39715−84%

28Benewah County, IDID10,50812+300%

29Valley County, IDID12,83110−60%

30Caribou County, IDID7,2529−44%

31Franklin County, IDID15,8899+200%

32Owyhee County, IDID12,6619−75%

33Boise County, IDID8,5457+0%

34Adams County, IDID5,0136+100%

35Lewis County, IDID3,7046−79%

36Gooding County, IDID16,4465−95%

37Washington County, IDID11,5834–

SHOWING 1–37 OF 37

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES