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 (2024 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. The median across all 39 is 0.8%. Biggest climber in the top 100 since 2020: Chelan County, WA, up 20 places to #13.

Welsh Americans: full group profile →

WashingtonAll states All rankings

SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPWELSH SHAREVS 2010

01▲7Jefferson County, WAWA33,9701.9%+0.4 pts

02▲1San Juan County, WAWA18,5771.8%−0.3 pts

03▲6Pend Oreille County, WAWA14,4571.8%+0.7 pts

04▲1Kittitas County, WAWA48,8031.8%+0.3 pts

05▲7Clallam County, WAWA78,2021.6%+0.1 pts

06▼4Ferry County, WAWA7,5171.4%−0.1 pts

07▼3Klickitat County, WAWA24,3311.3%−1.3 pts

08▼2Douglas County, WAWA46,4731.3%+0.6 pts

09▲13Pacific County, WAWA24,3571.2%+0.1 pts

10▲1Island County, WAWA85,6571.2%−0.4 pts

11▲3Stevens County, WAWA49,6681.1%+0.4 pts

12▲4Benton County, WAWA221,7221.1%−0.3 pts

13▲20Chelan County, WAWA81,9411.1%+0.2 pts

14▲9Whatcom County, WAWA236,3921.1%+0.2 pts

15▼5Skagit County, WAWA132,9750.9%−0.3 pts

16▼9Lewis County, WAWA88,0620.9%−0.2 pts

17Spokane County, WAWA558,3440.9%−0.2 pts

18▲12Thurston County, WAWA304,2610.8%−0.4 pts

19▼4Walla Walla County, WAWA62,3610.8%0.0 pts

20▲5Clark County, WAWA532,1190.8%−0.3 pts

21▼8Kitsap County, WAWA283,3740.8%−0.2 pts

22▲7Lincoln County, WAWA11,9820.8%−1.4 pts

23▲4Whitman County, WAWA48,5120.8%−0.4 pts

24▼3Skamania County, WAWA12,6690.8%−0.7 pts

25▼1King County, WAWA2,344,9390.7%−0.4 pts

26▲8Franklin County, WAWA102,6120.7%+0.1 pts

27▼7Snohomish County, WAWA870,6560.7%−0.4 pts

28▲4Asotin County, WAWA22,5450.7%−1.0 pts

29▲2Grays Harbor County, WAWA78,1440.7%−0.1 pts

30▼2Pierce County, WAWA946,2880.6%−0.4 pts

31▼13Okanogan County, WAWA45,2300.6%−0.2 pts

32▼13Mason County, WAWA71,1650.5%−0.6 pts

33▼32Wahkiakum County, WAWA4,8730.5%−0.4 pts

34▼8Cowlitz County, WAWA114,8850.4%−0.7 pts

35▲3Garfield County, WAWA2,4160.4%−0.2 pts

36Yakima County, WAWA259,1850.3%−0.1 pts

37▲2Adams County, WAWA21,4880.3%0.0 pts

38▼3Grant County, WAWA105,7270.2%−0.6 pts

39▼2Columbia County, WAWA4,1410.1%−0.8 pts

SHOWING 1–39 OF 39

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES