RANKING · 2020 CENSUS · 42 SHOWN OF 42

Largest Swiss population, Idaho counties · 2020

Idaho counties ranked by the number of residents who are Swiss ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 42 counties in Idaho that qualify, ranked against each other statewide.

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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

RANKPLACESTATEPOPSWISS POPULATIONVS 2010

01Ada County, IDID546,1412,795+8%

02Bonneville County, IDID135,7711,373+29%

03Bannock County, IDID91,591871−9%

04Jefferson County, IDID35,297802+193%

05Canyon County, IDID275,123647−27%

06Twin Falls County, IDID97,539639+73%

07Madison County, IDID55,172624−27%

08Teton County, IDID13,254489+23%

09Kootenai County, IDID191,864391−48%

10Bear Lake County, IDID6,727312−31%

11Bonner County, IDID54,420305−34%

12Bingham County, IDID51,153297−39%

13Payette County, IDID27,824290+90%

14Idaho County, IDID17,874229+68%

15Caribou County, IDID7,252210+45%

16Blaine County, IDID25,517197+380%

17Franklin County, IDID15,889159+14%

18Latah County, IDID41,842154−55%

19Cassia County, IDID26,397147−47%

20Boundary County, IDID13,997134−52%

21Elmore County, IDID29,465127+408%

22Nez Perce County, IDID42,905124−16%

23Minidoka County, IDID22,911113−27%

24Gem County, IDID21,773107−5%

25Fremont County, IDID14,20890−72%

26Jerome County, IDID26,36285−47%

27Oneida County, IDID5,08569+38%

28Owyhee County, IDID12,66162+195%

29Power County, IDID8,24661+53%

30Lemhi County, IDID8,47458+81%

31Gooding County, IDID16,44649+88%

32Washington County, IDID11,58341−63%

33Valley County, IDID12,83140−80%

34Benewah County, IDID10,50839−55%

35Shoshone County, IDID14,13022−63%

36Clearwater County, IDID9,11816−16%

37Adams County, IDID5,01314−33%

38Lincoln County, IDID5,60314−46%

39Lewis County, IDID3,70414+17%

40Custer County, IDID4,6368−84%

41Boise County, IDID8,5457−72%

42Butte County, IDID2,7834−60%

SHOWING 1–42 OF 42

Download CSV (full list, 42 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS