RANKING · 2020 CENSUS · 37 SHOWN OF 37

Highest Finnish population share, Idaho counties · 2020

Idaho counties ranked by the share of all residents who are Finnish ancestry (2020 American Community Survey). A concentration measure: Finnish residents as a percentage of total population. This list covers the 37 counties in Idaho that qualify, ranked against each other statewide. The median across all 37 is 0.4%.

Finnish Americans: full group profile →

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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

RANKPLACESTATEPOPFINNISH SHAREVS 2010

01Shoshone County, IDID14,1302.2%+0.4 pts

02Owyhee County, IDID12,6611.0%–

03Clearwater County, IDID9,1181.0%−0.1 pts

04Blaine County, IDID25,5170.9%+0.2 pts

05Valley County, IDID12,8310.9%+0.2 pts

06Latah County, IDID41,8420.9%+0.5 pts

07Idaho County, IDID17,8740.9%+0.8 pts

08Boundary County, IDID13,9970.8%+0.2 pts

09Bonner County, IDID54,4200.8%+0.2 pts

10Caribou County, IDID7,2520.7%+0.6 pts

11Gooding County, IDID16,4460.7%+0.7 pts

12Lewis County, IDID3,7040.7%+0.1 pts

13Bonneville County, IDID135,7710.6%+0.3 pts

14Teton County, IDID13,2540.6%+0.4 pts

15Lincoln County, IDID5,6030.5%+0.2 pts

16Nez Perce County, IDID42,9050.4%−0.3 pts

17Custer County, IDID4,6360.4%−1.0 pts

18Franklin County, IDID15,8890.4%–

19Bannock County, IDID91,5910.4%+0.1 pts

20Bingham County, IDID51,1530.3%+0.1 pts

21Kootenai County, IDID191,8640.3%−0.2 pts

22Gem County, IDID21,7730.3%−0.9 pts

23Adams County, IDID5,0130.3%−0.3 pts

24Payette County, IDID27,8240.2%+0.1 pts

25Elmore County, IDID29,4650.2%0.0 pts

26Ada County, IDID546,1410.2%−0.1 pts

27Boise County, IDID8,5450.2%−0.8 pts

28Canyon County, IDID275,1230.2%−0.1 pts

29Bear Lake County, IDID6,7270.1%–

30Benewah County, IDID10,5080.1%−0.6 pts

31Twin Falls County, IDID97,5390.1%0.0 pts

32Lemhi County, IDID8,4740.1%–

33Madison County, IDID55,1720.1%0.0 pts

34Cassia County, IDID26,3970.1%−0.1 pts

35Washington County, IDID11,5830.0%−0.1 pts

36Butte County, IDID2,7830.0%–

37Jefferson County, IDID35,2970.0%−0.1 pts

SHOWING 1–37 OF 37

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