RANKING · 2024 ACS · 44 SHOWN OF 44

Highest Irish population share, Idaho counties

Idaho counties ranked by the share of all residents who are Irish ancestry (2023 American Community Survey). A concentration measure: Irish residents as a percentage of total population. 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

RANKPLACESTATEPOPIRISH SHAREVS 2000

01Camas County, IDID1,31617.1%–

02Valley County, IDID12,83117.1%–

03Lewis County, IDID3,70415.6%–

04Adams County, IDID5,01313.9%–

05Lemhi County, IDID8,47413.9%–

06Shoshone County, IDID14,13013.3%–

07Bonner County, IDID54,42013.2%–

08Benewah County, IDID10,50813.0%–

09Washington County, IDID11,58312.6%–

10Boise County, IDID8,54512.2%–

11Idaho County, IDID17,87412.1%–

12Latah County, IDID41,84212.0%–

13Kootenai County, IDID191,86412.0%–

14Ada County, IDID546,14111.4%–

15Clearwater County, IDID9,11811.2%–

16Nez Perce County, IDID42,90510.9%–

17Boundary County, IDID13,99710.7%–

18Custer County, IDID4,63610.4%–

19Payette County, IDID27,82410.0%–

20Elmore County, IDID29,4659.3%–

21Fremont County, IDID14,2089.1%–

22Bannock County, IDID91,5918.9%–

23Twin Falls County, IDID97,5398.8%–

24Blaine County, IDID25,5178.8%–

25Gem County, IDID21,7738.5%–

26Canyon County, IDID275,1238.3%–

27Power County, IDID8,2467.4%–

28Teton County, IDID13,2547.2%–

29Owyhee County, IDID12,6617.2%–

30Gooding County, IDID16,4466.8%–

31Jerome County, IDID26,3626.3%–

32Bonneville County, IDID135,7716.1%–

33Lincoln County, IDID5,6035.4%–

34Caribou County, IDID7,2525.2%–

35Jefferson County, IDID35,2975.0%–

36Bear Lake County, IDID6,7275.0%–

37Minidoka County, IDID22,9114.7%–

38Franklin County, IDID15,8894.5%–

39Madison County, IDID55,1724.3%–

40Oneida County, IDID5,0854.1%–

41Bingham County, IDID51,1534.1%–

42Butte County, IDID2,7833.9%–

43Cassia County, IDID26,3973.7%–

44Clark County, IDID7833.4%–

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