RANKING · 2024 ACS · 37 SHOWN OF 37

Largest Finnish population, Idaho counties

Idaho counties ranked by the number of residents who are Finnish 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.

Finnish Americans: full group profile →

IdahoAll states All rankings

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

RANKPLACESTATEPOPFINNISH POPULATIONVS 2010

01Ada County, IDID546,1411,546+24%

02Kootenai County, IDID191,864767+10%

03Bonneville County, IDID135,771648+136%

04Bonner County, IDID54,420309+25%

05Canyon County, IDID275,123292−36%

06Bannock County, IDID91,591238+9%

07Bingham County, IDID51,153198+118%

08Twin Falls County, IDID97,539183+126%

09Blaine County, IDID25,517164+6%

10Shoshone County, IDID14,130161−30%

11Latah County, IDID41,842152+9%

12Nez Perce County, IDID42,905142−49%

13Gooding County, IDID16,446134+1389%

14Elmore County, IDID29,46590+84%

15Valley County, IDID12,83190+27%

16Owyhee County, IDID12,66189–

17Madison County, IDID55,17279+229%

18Teton County, IDID13,25467+319%

19Boundary County, IDID13,99762−6%

20Caribou County, IDID7,25262+417%

21Idaho County, IDID17,87449+188%

22Benewah County, IDID10,50845−35%

23Gem County, IDID21,77340−79%

24Clearwater County, IDID9,11834−63%

25Cassia County, IDID26,39727+17%

26Boise County, IDID8,54524−67%

27Jefferson County, IDID35,29723−43%

28Lewis County, IDID3,70417−19%

29Minidoka County, IDID22,91115−74%

30Jerome County, IDID26,36213−58%

31Lemhi County, IDID8,47412–

32Custer County, IDID4,63611−82%

33Butte County, IDID2,7838–

34Adams County, IDID5,0136−71%

35Payette County, IDID27,8246−80%

36Washington County, IDID11,5835−62%

37Lincoln County, IDID5,6034−67%

SHOWING 1–37 OF 37

Download CSV (full list, 37 rows)

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