RANKING · 2010 CENSUS · 44 SHOWN OF 44

Largest Irish population, Idaho counties · 2010

Idaho counties ranked by the number of residents who are 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

RANKPLACESTATEPOPIRISH POPULATIONVS 2000

01Ada County, IDID546,14144,984–

02Kootenai County, IDID191,86420,556–

03Canyon County, IDID275,12316,110–

04Twin Falls County, IDID97,5398,121–

05Bonneville County, IDID135,7717,839–

06Bannock County, IDID91,5917,474–

07Bonner County, IDID54,4206,211–

08Nez Perce County, IDID42,9055,638–

09Latah County, IDID41,8425,619–

10Elmore County, IDID29,4653,295–

11Idaho County, IDID17,8742,649–

12Blaine County, IDID25,5172,436–

13Payette County, IDID27,8242,356–

14Shoshone County, IDID14,1302,272–

15Bingham County, IDID51,1532,215–

16Gem County, IDID21,7732,060–

17Madison County, IDID55,1721,975–

18Gooding County, IDID16,4461,713–

19Benewah County, IDID10,5081,631–

20Clearwater County, IDID9,1181,556–

21Washington County, IDID11,5831,499–

22Jerome County, IDID26,3621,487–

23Jefferson County, IDID35,2971,299–

24Minidoka County, IDID22,9111,273–

25Valley County, IDID12,8311,261–

26Teton County, IDID13,2541,222–

27Boundary County, IDID13,9971,204–

28Cassia County, IDID26,3971,133–

29Owyhee County, IDID12,6611,074–

30Lemhi County, IDID8,4741,019–

31Fremont County, IDID14,208987–

32Custer County, IDID4,636832–

33Boise County, IDID8,545777–

34Lewis County, IDID3,704622–

35Adams County, IDID5,013577–

36Franklin County, IDID15,889403–

37Lincoln County, IDID5,603347–

38Power County, IDID8,246347–

39Caribou County, IDID7,252344–

40Bear Lake County, IDID6,727263–

41Butte County, IDID2,783258–

42Oneida County, IDID5,085184–

43Camas County, IDID1,316107–

44Clark County, IDID78320–

SHOWING 1–44 OF 44

Download CSV (full list, 44 rows)

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