RANKING · 2010 CENSUS · 39 SHOWN OF 39

Largest Scotch-Irish population, Washington counties · 2010

Washington counties ranked by the number of residents who are Scotch-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 39 counties in Washington 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

RANKPLACESTATEPOPSCOTCH-IRISH POPULATIONVS 2000

01King County, WAWA2,344,93942,412–

02Snohomish County, WAWA870,65618,607–

03Pierce County, WAWA946,28818,536–

04Spokane County, WAWA558,34412,102–

05Clark County, WAWA532,11911,485–

06Kitsap County, WAWA283,3748,013–

07Thurston County, WAWA304,2616,498–

08Whatcom County, WAWA236,3925,677–

09Yakima County, WAWA259,1853,209–

10Benton County, WAWA221,7223,067–

11Cowlitz County, WAWA114,8853,010–

12Skagit County, WAWA132,9752,596–

13Lewis County, WAWA88,0622,398–

14Clallam County, WAWA78,2022,356–

15Island County, WAWA85,6572,000–

16Grays Harbor County, WAWA78,1441,822–

17Mason County, WAWA71,1651,672–

18Grant County, WAWA105,7271,636–

19Chelan County, WAWA81,9411,459–

20Jefferson County, WAWA33,9701,310–

21Okanogan County, WAWA45,2301,275–

22Walla Walla County, WAWA62,3611,271–

23Stevens County, WAWA49,6681,245–

24Kittitas County, WAWA48,8031,123–

25Whitman County, WAWA48,5121,090–

26Douglas County, WAWA46,4731,067–

27Franklin County, WAWA102,6121,007–

28Pacific County, WAWA24,357642–

29Klickitat County, WAWA24,331603–

30Lincoln County, WAWA11,982556–

31San Juan County, WAWA18,577481–

32Asotin County, WAWA22,545468–

33Pend Oreille County, WAWA14,457360–

34Ferry County, WAWA7,517272–

35Skamania County, WAWA12,669236–

36Adams County, WAWA21,488170–

37Wahkiakum County, WAWA4,873123–

38Columbia County, WAWA4,141108–

39Garfield County, WAWA2,41672–

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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