RANKING · 2020 CENSUS · 39 SHOWN OF 39

Highest Czech population share, Idaho counties · 2020

Idaho counties ranked by the share of all residents who are Czech ancestry (2023 American Community Survey). A concentration measure: Czech residents as a percentage of total population. This list covers the 39 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 SHAREVS 2000

01Teton County, IDID13,2541.3%–

02Blaine County, IDID25,5171.0%–

03Power County, IDID8,2460.7%–

04Boise County, IDID8,5450.6%–

05Shoshone County, IDID14,1300.6%–

06Boundary County, IDID13,9970.5%–

07Valley County, IDID12,8310.5%–

08Canyon County, IDID275,1230.5%–

09Jerome County, IDID26,3620.5%–

10Kootenai County, IDID191,8640.4%–

11Owyhee County, IDID12,6610.4%–

12Latah County, IDID41,8420.4%–

13Benewah County, IDID10,5080.4%–

14Ada County, IDID546,1410.4%–

15Twin Falls County, IDID97,5390.3%–

16Lewis County, IDID3,7040.3%–

17Bonneville County, IDID135,7710.3%–

18Idaho County, IDID17,8740.3%–

19Clearwater County, IDID9,1180.3%–

20Gooding County, IDID16,4460.3%–

21Payette County, IDID27,8240.3%–

22Nez Perce County, IDID42,9050.3%–

23Bear Lake County, IDID6,7270.3%–

24Adams County, IDID5,0130.2%–

25Bonner County, IDID54,4200.2%–

26Cassia County, IDID26,3970.2%–

27Elmore County, IDID29,4650.2%–

28Lincoln County, IDID5,6030.2%–

29Lemhi County, IDID8,4740.2%–

30Bannock County, IDID91,5910.1%–

31Jefferson County, IDID35,2970.1%–

32Camas County, IDID1,3160.1%–

33Custer County, IDID4,6360.1%–

34Gem County, IDID21,7730.1%–

35Bingham County, IDID51,1530.1%–

36Minidoka County, IDID22,9110.1%–

37Washington County, IDID11,5830.0%–

38Caribou County, IDID7,2520.0%–

39Fremont County, IDID14,2080.0%–

SHOWING 1–39 OF 39

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES