RANKING · 2024 ACS · 39 SHOWN OF 39

Largest Scotch-Irish population, Washington counties

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, WAWA2,344,93920,537–

02Pierce County, WAWA946,2888,159–

03Snohomish County, WAWA870,6567,829–

04Spokane County, WAWA558,3445,579–

05Clark County, WAWA532,1195,437–

06Thurston County, WAWA304,2613,862–

07Kitsap County, WAWA283,3743,771–

08Whatcom County, WAWA236,3922,531–

09Benton County, WAWA221,7222,095–

10Skagit County, WAWA132,9751,724–

11Cowlitz County, WAWA114,8851,530–

12Clallam County, WAWA78,2021,165–

13Island County, WAWA85,6571,139–

14Yakima County, WAWA259,1851,065–

15Mason County, WAWA71,1651,015–

16Stevens County, WAWA49,668865–

17Lewis County, WAWA88,062756–

18Jefferson County, WAWA33,970618–

19Whitman County, WAWA48,512545–

20Chelan County, WAWA81,941530–

21Grays Harbor County, WAWA78,144503–

22Kittitas County, WAWA48,803466–

23Walla Walla County, WAWA62,361446–

24Franklin County, WAWA102,612400–

25Grant County, WAWA105,727363–

26San Juan County, WAWA18,577336–

27Skamania County, WAWA12,669326–

28Asotin County, WAWA22,545301–

29Okanogan County, WAWA45,230275–

30Douglas County, WAWA46,473253–

31Pacific County, WAWA24,357237–

32Klickitat County, WAWA24,331137–

33Pend Oreille County, WAWA14,457126–

34Ferry County, WAWA7,51786–

35Lincoln County, WAWA11,98276–

36Wahkiakum County, WAWA4,87368–

37Adams County, WAWA21,48855–

38Columbia County, WAWA4,1418–

39Garfield County, WAWA2,4165–

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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