RANKING · 2024 ACS · 37 SHOWN OF 37

Highest Finnish population share, Idaho counties

Idaho counties ranked by the share of all residents who are Finnish ancestry (2024 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 0.3%. Biggest climber in the top 100 since 2020: Benewah County, ID, up 18 places to #12.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPFINNISH SHAREVS 2010

01Shoshone County, IDID14,1301.2%−0.6 pts

02▲8Caribou County, IDID7,2520.9%+0.7 pts

03▲8Gooding County, IDID16,4460.8%+0.8 pts

04▲1Valley County, IDID12,8310.7%0.0 pts

05▼3Owyhee County, IDID12,6610.7%–

06▼2Blaine County, IDID25,5170.7%−0.1 pts

07▲2Bonner County, IDID54,4200.6%0.0 pts

08▲6Teton County, IDID13,2540.5%+0.4 pts

09▲4Bonneville County, IDID135,7710.5%+0.2 pts

10▼2Boundary County, IDID13,9970.5%−0.1 pts

11▲1Lewis County, IDID3,7040.5%−0.1 pts

12▲18Benewah County, IDID10,5080.4%−0.3 pts

13▲8Kootenai County, IDID191,8640.4%−0.1 pts

14▲6Bingham County, IDID51,1530.4%+0.2 pts

15▼12Clearwater County, IDID9,1180.4%−0.7 pts

16▼10Latah County, IDID41,8420.4%0.0 pts

17▼1Nez Perce County, IDID42,9050.3%−0.4 pts

18▲7Elmore County, IDID29,4650.3%+0.1 pts

19▲17Butte County, IDID2,7830.3%–

20▲6Ada County, IDID546,1410.3%0.0 pts

21▲6Boise County, IDID8,5450.3%−0.7 pts

22▼15Idaho County, IDID17,8740.3%+0.2 pts

23▼4Bannock County, IDID91,5910.3%0.0 pts

24▼7Custer County, IDID4,6360.2%−1.2 pts

25▲6Twin Falls County, IDID97,5390.2%+0.1 pts

26▼4Gem County, IDID21,7730.2%−0.9 pts

27▲5Lemhi County, IDID8,4740.1%–

28▲5Madison County, IDID55,1720.1%+0.1 pts

29▼6Adams County, IDID5,0130.1%−0.4 pts

30▼2Canyon County, IDID275,1230.1%−0.1 pts

31▲3Cassia County, IDID26,3970.1%0.0 pts

32▼17Lincoln County, IDID5,6030.1%−0.2 pts

33▲4Jefferson County, IDID35,2970.1%−0.1 pts

34Minidoka County, IDID22,9110.1%−0.2 pts

35Jerome County, IDID26,3620.1%−0.1 pts

36▼1Washington County, IDID11,5830.0%−0.1 pts

37▼13Payette County, IDID27,8240.0%−0.1 pts

SHOWING 1–37 OF 37

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