RANKING · 2020 CENSUS · 38 SHOWN OF 38

Largest Swiss population, Washington counties · 2020

Washington counties ranked by the number of residents who are Swiss ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 38 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

RANKPLACESTATEPOPSWISS POPULATIONVS 2010

01King County, WAWA2,344,9399,825−8%

02Pierce County, WAWA946,2883,545−26%

03Snohomish County, WAWA870,6563,052−19%

04Clark County, WAWA532,1192,396−15%

05Spokane County, WAWA558,3442,304−9%

06Kitsap County, WAWA283,3741,382+6%

07Thurston County, WAWA304,2611,281−26%

08Skagit County, WAWA132,975934+19%

09Whatcom County, WAWA236,392880−20%

10Benton County, WAWA221,722720+23%

11Lewis County, WAWA88,062636−9%

12Walla Walla County, WAWA62,361538+25%

13Grays Harbor County, WAWA78,144519+57%

14Clallam County, WAWA78,202433−22%

15Grant County, WAWA105,727411+12%

16Mason County, WAWA71,165406+106%

17Yakima County, WAWA259,185377−12%

18Island County, WAWA85,657370−38%

19Cowlitz County, WAWA114,885350−25%

20Kittitas County, WAWA48,803327−30%

21Chelan County, WAWA81,941318+57%

22Jefferson County, WAWA33,970263+3%

23Whitman County, WAWA48,512248−14%

24Stevens County, WAWA49,668214−40%

25Pacific County, WAWA24,357209−57%

26Franklin County, WAWA102,612191+17%

27Okanogan County, WAWA45,230172+100%

28Klickitat County, WAWA24,331147+123%

29San Juan County, WAWA18,577144−17%

30Douglas County, WAWA46,473114−17%

31Ferry County, WAWA7,51790+29%

32Skamania County, WAWA12,66982−8%

33Adams County, WAWA21,48856−42%

34Pend Oreille County, WAWA14,45742−56%

35Lincoln County, WAWA11,98240+100%

36Wahkiakum County, WAWA4,87333−40%

37Asotin County, WAWA22,54514−88%

38Garfield County, WAWA2,41610+11%

SHOWING 1–38 OF 38

Download CSV (full list, 38 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS