RANKING · 2010 CENSUS · 44 SHOWN OF 44

Largest Scotch-Irish population, Idaho counties · 2010

Idaho counties ranked by the number of residents who are Scotch-Irish ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 44 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

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2000

01Ada County, IDID546,1418,235–

02Kootenai County, IDID191,8643,856–

03Canyon County, IDID275,1233,005–

04Bannock County, IDID91,5911,503–

05Bonneville County, IDID135,7711,493–

06Bonner County, IDID54,4201,400–

07Latah County, IDID41,8421,137–

08Nez Perce County, IDID42,905958–

09Twin Falls County, IDID97,539940–

10Bingham County, IDID51,153625–

11Blaine County, IDID25,517571–

12Madison County, IDID55,172534–

13Idaho County, IDID17,874453–

14Gem County, IDID21,773450–

15Payette County, IDID27,824432–

16Boundary County, IDID13,997428–

17Minidoka County, IDID22,911351–

18Shoshone County, IDID14,130344–

19Jerome County, IDID26,362342–

20Elmore County, IDID29,465333–

21Valley County, IDID12,831325–

22Clearwater County, IDID9,118306–

23Teton County, IDID13,254260–

24Cassia County, IDID26,397232–

25Washington County, IDID11,583220–

26Benewah County, IDID10,508192–

27Lemhi County, IDID8,474188–

28Gooding County, IDID16,446181–

29Franklin County, IDID15,889177–

30Adams County, IDID5,013168–

31Boise County, IDID8,545143–

32Jefferson County, IDID35,297140–

33Butte County, IDID2,783123–

34Owyhee County, IDID12,661121–

35Lincoln County, IDID5,603108–

36Lewis County, IDID3,704102–

37Fremont County, IDID14,20883–

38Custer County, IDID4,63677–

39Bear Lake County, IDID6,72758–

40Power County, IDID8,24646–

41Camas County, IDID1,31630–

42Clark County, IDID78319–

43Caribou County, IDID7,25218–

44Oneida County, IDID5,08515–

SHOWING 1–44 OF 44

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES