RANKING · 2024 ACS · 39 SHOWN OF 39

Largest Welsh population, Washington counties

Washington counties ranked by the number of residents who are Welsh 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 39 counties in Washington that qualify, ranked against each other statewide.

Welsh Americans: full group profile →

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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 POPULATIONVS 2010

01King County, WAWA2,344,93917,065−18%

02Snohomish County, WAWA870,6566,121−18%

03Pierce County, WAWA946,2885,957−24%

04Spokane County, WAWA558,3444,944−3%

05Clark County, WAWA532,1194,351−11%

06Thurston County, WAWA304,2612,542−15%

07Whatcom County, WAWA236,3922,513+37%

08Benton County, WAWA221,7222,355−0%

09Kitsap County, WAWA283,3742,290−12%

10Clallam County, WAWA78,2021,261+15%

11Skagit County, WAWA132,9751,247−15%

12Island County, WAWA85,6571,032−20%

13Chelan County, WAWA81,941882+33%

14Kittitas County, WAWA48,803838+47%

15Lewis County, WAWA88,062804−8%

16Yakima County, WAWA259,185773−15%

17Franklin County, WAWA102,612737+61%

18Jefferson County, WAWA33,970631+43%

19Douglas County, WAWA46,473583+123%

20Stevens County, WAWA49,668532+87%

21Walla Walla County, WAWA62,361526+4%

22Grays Harbor County, WAWA78,144511−4%

23Cowlitz County, WAWA114,885494−56%

24Whitman County, WAWA48,512367−28%

25Mason County, WAWA71,165348−48%

26San Juan County, WAWA18,577336+2%

27Klickitat County, WAWA24,331310−41%

28Pacific County, WAWA24,357299+18%

29Okanogan County, WAWA45,230255−19%

30Pend Oreille County, WAWA14,457253+85%

31Grant County, WAWA105,727238−65%

32Asotin County, WAWA22,545155−57%

33Ferry County, WAWA7,517102−7%

34Skamania County, WAWA12,66996−40%

35Lincoln County, WAWA11,98290−60%

36Adams County, WAWA21,48856+0%

37Wahkiakum County, WAWA4,87321−40%

38Garfield County, WAWA2,4169−36%

39Columbia County, WAWA4,1413−91%

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES