RANKING · 2010 CENSUS · 39 SHOWN OF 39

Largest Welsh population, Washington counties · 2010

Washington counties ranked by the number of residents who are Welsh 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

RANKPLACESTATEPOPWELSH POPULATIONVS 2000

01King County, WAWA2,344,93920,842–

02Pierce County, WAWA946,2887,814–

03Snohomish County, WAWA870,6567,499–

04Spokane County, WAWA558,3445,085–

05Clark County, WAWA532,1194,869–

06Thurston County, WAWA304,2612,992–

07Kitsap County, WAWA283,3742,607–

08Benton County, WAWA221,7222,363–

09Whatcom County, WAWA236,3921,840–

10Skagit County, WAWA132,9751,472–

11Island County, WAWA85,6571,288–

12Cowlitz County, WAWA114,8851,119–

13Clallam County, WAWA78,2021,094–

14Yakima County, WAWA259,185911–

15Lewis County, WAWA88,062874–

16Grant County, WAWA105,727680–

17Mason County, WAWA71,165666–

18Chelan County, WAWA81,941661–

19Kittitas County, WAWA48,803571–

20Grays Harbor County, WAWA78,144535–

21Klickitat County, WAWA24,331524–

22Whitman County, WAWA48,512512–

23Walla Walla County, WAWA62,361506–

24Franklin County, WAWA102,612459–

25Jefferson County, WAWA33,970441–

26Asotin County, WAWA22,545360–

27San Juan County, WAWA18,577330–

28Okanogan County, WAWA45,230313–

29Stevens County, WAWA49,668285–

30Douglas County, WAWA46,473262–

31Pacific County, WAWA24,357253–

32Lincoln County, WAWA11,982227–

33Skamania County, WAWA12,669160–

34Pend Oreille County, WAWA14,457137–

35Ferry County, WAWA7,517110–

36Adams County, WAWA21,48856–

37Wahkiakum County, WAWA4,87335–

38Columbia County, WAWA4,14134–

39Garfield County, WAWA2,41614–

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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