RANKING · 2024 ACS · 44 SHOWN OF 44

Highest Welsh population share, Idaho counties

Idaho counties ranked by the share of all residents who are Welsh ancestry (2023 American Community Survey). A concentration measure: Welsh 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

RANKPLACESTATEPOPWELSH SHAREVS 2000

01Oneida County, IDID5,08516.0%–

02Caribou County, IDID7,2523.2%–

03Madison County, IDID55,1722.3%–

04Valley County, IDID12,8312.2%–

05Bannock County, IDID91,5911.8%–

06Jefferson County, IDID35,2971.8%–

07Clearwater County, IDID9,1181.8%–

08Bear Lake County, IDID6,7271.8%–

09Franklin County, IDID15,8891.7%–

10Bingham County, IDID51,1531.7%–

11Power County, IDID8,2461.6%–

12Shoshone County, IDID14,1301.6%–

13Bonneville County, IDID135,7711.5%–

14Butte County, IDID2,7831.5%–

15Nez Perce County, IDID42,9051.4%–

16Fremont County, IDID14,2081.4%–

17Clark County, IDID7831.3%–

18Cassia County, IDID26,3971.3%–

19Ada County, IDID546,1411.3%–

20Washington County, IDID11,5831.2%–

21Kootenai County, IDID191,8641.1%–

22Payette County, IDID27,8241.1%–

23Twin Falls County, IDID97,5391.0%–

24Lincoln County, IDID5,6031.0%–

25Latah County, IDID41,8421.0%–

26Lemhi County, IDID8,4740.9%–

27Teton County, IDID13,2540.9%–

28Custer County, IDID4,6360.9%–

29Boise County, IDID8,5450.9%–

30Elmore County, IDID29,4650.8%–

31Minidoka County, IDID22,9110.8%–

32Idaho County, IDID17,8740.7%–

33Canyon County, IDID275,1230.7%–

34Adams County, IDID5,0130.7%–

35Bonner County, IDID54,4200.6%–

36Camas County, IDID1,3160.6%–

37Lewis County, IDID3,7040.6%–

38Gooding County, IDID16,4460.6%–

39Gem County, IDID21,7730.6%–

40Owyhee County, IDID12,6610.5%–

41Blaine County, IDID25,5170.5%–

42Jerome County, IDID26,3620.4%–

43Benewah County, IDID10,5080.4%–

44Boundary County, IDID13,9970.2%–

SHOWING 1–44 OF 44

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