RANKING · 2024 ACS · 44 SHOWN OF 44

Largest Irish population, Idaho counties

Idaho counties ranked by the number of residents who are Irish ancestry, from the 2024 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

RANKPLACESTATEPOPIRISH POPULATIONVS 2010

01Ada County, IDID546,14159,205+32%

02Kootenai County, IDID191,86421,825+6%

03Canyon County, IDID275,12320,792+29%

04Twin Falls County, IDID97,5398,292+2%

05Bannock County, IDID91,5917,980+7%

06Bonneville County, IDID135,7717,851+0%

07Bonner County, IDID54,4206,721+8%

08Latah County, IDID41,8424,939−12%

09Nez Perce County, IDID42,9054,637−18%

10Elmore County, IDID29,4652,735−17%

11Payette County, IDID27,8242,667+13%

12Madison County, IDID55,1722,332+18%

13Blaine County, IDID25,5172,205−9%

14Valley County, IDID12,8312,113+68%

15Idaho County, IDID17,8742,112−20%

16Bingham County, IDID51,1532,019−9%

17Shoshone County, IDID14,1301,837−19%

18Gem County, IDID21,7731,754−15%

19Jefferson County, IDID35,2971,668+28%

20Jerome County, IDID26,3621,579+6%

21Washington County, IDID11,5831,408−6%

22Boundary County, IDID13,9971,403+17%

23Benewah County, IDID10,5081,319−19%

24Fremont County, IDID14,2081,265+28%

25Lemhi County, IDID8,4741,146+12%

26Gooding County, IDID16,4461,084−37%

27Minidoka County, IDID22,9111,036−19%

28Boise County, IDID8,5451,010+30%

29Clearwater County, IDID9,1181,008−35%

30Cassia County, IDID26,397954−16%

31Owyhee County, IDID12,661899−16%

32Teton County, IDID13,254897−27%

33Franklin County, IDID15,889674+67%

34Adams County, IDID5,013660+14%

35Power County, IDID8,246603+74%

36Lewis County, IDID3,704574−8%

37Custer County, IDID4,636467−44%

38Caribou County, IDID7,252371+8%

39Bear Lake County, IDID6,727332+26%

40Lincoln County, IDID5,603290−16%

41Oneida County, IDID5,085196+7%

42Camas County, IDID1,316192+79%

43Butte County, IDID2,783105−59%

44Clark County, IDID78329+45%

SHOWING 1–44 OF 44

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES