RANKING · 2010 CENSUS · 41 SHOWN OF 41

Largest Czech population, Idaho counties · 2010

Idaho counties ranked by the number of residents who are Czech ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 41 counties in Idaho that qualify, ranked against each other statewide. The median across all 41 is 59.

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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 –

01Ada County, IDID546,1412,661–

02Kootenai County, IDID191,864937–

03Canyon County, IDID275,123656–

04Twin Falls County, IDID97,539512–

05Bannock County, IDID91,591423–

06Latah County, IDID41,842289–

07Blaine County, IDID25,517280–

08Bonneville County, IDID135,771269–

09Bingham County, IDID51,153266–

10Minidoka County, IDID22,911259–

11Nez Perce County, IDID42,905189–

12Bonner County, IDID54,420154–

13Elmore County, IDID29,465149–

14Gooding County, IDID16,446111–

15Boundary County, IDID13,997109–

16Cassia County, IDID26,39795–

17Idaho County, IDID17,87484–

18Payette County, IDID27,82484–

19Shoshone County, IDID14,13079–

20Clearwater County, IDID9,11871–

21Jefferson County, IDID35,29759–

22Custer County, IDID4,63654–

23Madison County, IDID55,17251–

24Owyhee County, IDID12,66136–

25Bear Lake County, IDID6,72731–

26Lewis County, IDID3,70429–

27Valley County, IDID12,83125–

28Fremont County, IDID14,20821–

29Power County, IDID8,24619–

30Caribou County, IDID7,25216–

31Butte County, IDID2,78314–

32Gem County, IDID21,7739–

33Lemhi County, IDID8,4749–

34Boise County, IDID8,5457–

35Jerome County, IDID26,3625–

36Adams County, IDID5,0133–

37Benewah County, IDID10,5083–

38Franklin County, IDID15,8893–

39Lincoln County, IDID5,6033–

40Oneida County, IDID5,0853–

41Teton County, IDID13,2542–

SHOWING 1–41 OF 41

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