RANKING · 2010 CENSUS · 44 SHOWN OF 44

Highest Scotch-Irish population share, Idaho counties · 2010

Idaho counties ranked by the share of all residents who are Scotch-Irish ancestry (2010 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 44 counties in Idaho that qualify, ranked against each other statewide. The median across all 44 is 2.1%.

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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 SHAREVS –

01Butte County, IDID2,7834.3%–

02Adams County, IDID5,0134.3%–

03Boundary County, IDID13,9974.0%–

04Clearwater County, IDID9,1183.5%–

05Bonner County, IDID54,4203.4%–

06Valley County, IDID12,8313.3%–

07Latah County, IDID41,8423.1%–

08Kootenai County, IDID191,8642.9%–

09Idaho County, IDID17,8742.8%–

10Teton County, IDID13,2542.8%–

11Lewis County, IDID3,7042.7%–

12Gem County, IDID21,7732.7%–

13Blaine County, IDID25,5172.7%–

14Shoshone County, IDID14,1302.7%–

15Camas County, IDID1,3162.5%–

16Nez Perce County, IDID42,9052.5%–

17Lemhi County, IDID8,4742.4%–

18Clark County, IDID7832.2%–

19Washington County, IDID11,5832.2%–

20Ada County, IDID546,1412.2%–

21Lincoln County, IDID5,6032.2%–

22Benewah County, IDID10,5082.1%–

23Boise County, IDID8,5452.0%–

24Payette County, IDID27,8241.9%–

25Bannock County, IDID91,5911.9%–

26Custer County, IDID4,6361.8%–

27Minidoka County, IDID22,9111.8%–

28Canyon County, IDID275,1231.6%–

29Jerome County, IDID26,3621.6%–

30Bonneville County, IDID135,7711.5%–

31Madison County, IDID55,1721.5%–

32Franklin County, IDID15,8891.4%–

33Bingham County, IDID51,1531.4%–

34Twin Falls County, IDID97,5391.3%–

35Elmore County, IDID29,4651.2%–

36Gooding County, IDID16,4461.2%–

37Owyhee County, IDID12,6611.1%–

38Cassia County, IDID26,3971.0%–

39Bear Lake County, IDID6,7271.0%–

40Fremont County, IDID14,2080.6%–

41Power County, IDID8,2460.6%–

42Jefferson County, IDID35,2970.6%–

43Oneida County, IDID5,0850.4%–

44Caribou County, IDID7,2520.3%–

SHOWING 1–44 OF 44

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