RANKING · 2020 CENSUS · 42 SHOWN OF 42

Highest Swiss population share, Idaho counties · 2020

Idaho counties ranked by the share of all residents who are Swiss ancestry (2020 American Community Survey). A concentration measure: Swiss residents as a percentage of total population. This list covers the 42 counties in Idaho that qualify, ranked against each other statewide. The median across all 42 is 0.6%.

Swiss Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWISS SHAREVS 2010

01Bear Lake County, IDID6,7275.2%−2.3 pts

02Teton County, IDID13,2544.2%−0.1 pts

03Caribou County, IDID7,2523.0%+0.9 pts

04Jefferson County, IDID35,2972.7%+1.6 pts

05Madison County, IDID55,1721.6%−0.8 pts

06Oneida County, IDID5,0851.6%+0.4 pts

07Idaho County, IDID17,8741.4%+0.5 pts

08Payette County, IDID27,8241.2%+0.5 pts

09Bonneville County, IDID135,7711.2%+0.1 pts

10Franklin County, IDID15,8891.2%0.0 pts

11Boundary County, IDID13,9971.1%−1.5 pts

12Bannock County, IDID91,5911.0%−0.2 pts

13Blaine County, IDID25,5170.9%+0.7 pts

14Power County, IDID8,2460.8%+0.3 pts

15Twin Falls County, IDID97,5390.7%+0.2 pts

16Lemhi County, IDID8,4740.7%+0.3 pts

17Fremont County, IDID14,2080.7%−1.8 pts

18Bonner County, IDID54,4200.7%−0.5 pts

19Bingham County, IDID51,1530.6%−0.5 pts

20Cassia County, IDID26,3970.6%−0.6 pts

21Gem County, IDID21,7730.6%−0.1 pts

22Ada County, IDID546,1410.6%−0.1 pts

23Minidoka County, IDID22,9110.5%−0.2 pts

24Owyhee County, IDID12,6610.5%+0.3 pts

25Elmore County, IDID29,4650.5%+0.4 pts

26Benewah County, IDID10,5080.4%−0.5 pts

27Washington County, IDID11,5830.4%−0.7 pts

28Latah County, IDID41,8420.4%−0.6 pts

29Lewis County, IDID3,7040.4%0.0 pts

30Valley County, IDID12,8310.4%−1.7 pts

31Jerome County, IDID26,3620.4%−0.4 pts

32Adams County, IDID5,0130.3%−0.2 pts

33Gooding County, IDID16,4460.3%+0.1 pts

34Nez Perce County, IDID42,9050.3%−0.1 pts

35Canyon County, IDID275,1230.3%−0.2 pts

36Lincoln County, IDID5,6030.3%−0.3 pts

37Kootenai County, IDID191,8640.2%−0.3 pts

38Custer County, IDID4,6360.2%−1.0 pts

39Clearwater County, IDID9,1180.2%0.0 pts

40Shoshone County, IDID14,1300.2%−0.3 pts

41Butte County, IDID2,7830.2%−0.2 pts

42Boise County, IDID8,5450.1%−0.3 pts

SHOWING 1–42 OF 42

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