RANKING · 2024 ACS · 23 SHOWN OF 23

Highest Slovak population share, Idaho counties

Idaho counties ranked by the share of all residents who are Slovak ancestry (2024 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. This list covers the 23 counties in Idaho that qualify, ranked against each other statewide. The median across all 23 is 0.1%. Biggest climber in the top 100 since 2020: Kootenai County, ID, up 10 places to #5.

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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

RANKPLACESTATEPOPSLOVAK SHAREVS 2010

01Valley County, IDID12,8310.6%−0.1 pts

02▲8Idaho County, IDID17,8740.3%–

03▼1Jerome County, IDID26,3620.2%+0.2 pts

04Madison County, IDID55,1720.2%–

05▲10Kootenai County, IDID191,8640.1%0.0 pts

06Boise County, IDID8,5450.1%–

07▼4Bannock County, IDID91,5910.1%+0.1 pts

08Washington County, IDID11,5830.1%–

09Boundary County, IDID13,9970.1%0.0 pts

10▼4Minidoka County, IDID22,9110.1%–

11▼7Ada County, IDID546,1410.1%0.0 pts

12▼5Adams County, IDID5,0130.1%0.0 pts

13▼5Bonner County, IDID54,4200.1%0.0 pts

14▼2Teton County, IDID13,2540.1%0.0 pts

15Cassia County, IDID26,3970.1%0.0 pts

16Blaine County, IDID25,5170.0%−0.1 pts

17Jefferson County, IDID35,2970.0%–

18▲1Canyon County, IDID275,1230.0%0.0 pts

19▼2Nez Perce County, IDID42,9050.0%0.0 pts

20▼4Latah County, IDID41,8420.0%−0.1 pts

21▼12Bonneville County, IDID135,7710.0%0.0 pts

22▼4Benewah County, IDID10,5080.0%0.0 pts

23Twin Falls County, IDID97,5390.0%0.0 pts

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES