RANKING · 2024 ACS · 39 SHOWN OF 39

Highest Welsh population share, Washington counties

Washington 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 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 SHAREVS 2000

01Jefferson County, WAWA33,9701.9%–

02San Juan County, WAWA18,5771.8%–

03Pend Oreille County, WAWA14,4571.8%–

04Kittitas County, WAWA48,8031.8%–

05Clallam County, WAWA78,2021.6%–

06Ferry County, WAWA7,5171.4%–

07Klickitat County, WAWA24,3311.3%–

08Douglas County, WAWA46,4731.3%–

09Pacific County, WAWA24,3571.2%–

10Island County, WAWA85,6571.2%–

11Stevens County, WAWA49,6681.1%–

12Benton County, WAWA221,7221.1%–

13Chelan County, WAWA81,9411.1%–

14Whatcom County, WAWA236,3921.1%–

15Skagit County, WAWA132,9750.9%–

16Lewis County, WAWA88,0620.9%–

17Spokane County, WAWA558,3440.9%–

18Thurston County, WAWA304,2610.8%–

19Walla Walla County, WAWA62,3610.8%–

20Clark County, WAWA532,1190.8%–

21Kitsap County, WAWA283,3740.8%–

22Lincoln County, WAWA11,9820.8%–

23Whitman County, WAWA48,5120.8%–

24Skamania County, WAWA12,6690.8%–

25King County, WAWA2,344,9390.7%–

26Franklin County, WAWA102,6120.7%–

27Snohomish County, WAWA870,6560.7%–

28Asotin County, WAWA22,5450.7%–

29Grays Harbor County, WAWA78,1440.7%–

30Pierce County, WAWA946,2880.6%–

31Okanogan County, WAWA45,2300.6%–

32Mason County, WAWA71,1650.5%–

33Wahkiakum County, WAWA4,8730.5%–

34Cowlitz County, WAWA114,8850.4%–

35Garfield County, WAWA2,4160.4%–

36Yakima County, WAWA259,1850.3%–

37Adams County, WAWA21,4880.3%–

38Grant County, WAWA105,7270.2%–

39Columbia County, WAWA4,1410.1%–

SHOWING 1–39 OF 39

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