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.

Scotch-Irish Americans: full group profile →

IdahoAll states All rankings

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

Download CSV (full list, 44 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS