RANKING · 2010 CENSUS · 38 SHOWN OF 38

Largest Czech population, Washington counties · 2010

Washington counties ranked by the number of residents who are Czech ancestry, from the 2010 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. The median across all 38 is 245.

Czech 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

RANKPLACESTATEPOPCZECH POPULATIONVS –

01King County, WAWA2,344,93910,553–

02Pierce County, WAWA946,2883,345–

03Snohomish County, WAWA870,6563,035–

04Spokane County, WAWA558,3442,816–

05Clark County, WAWA532,1192,094–

06Kitsap County, WAWA283,3741,206–

07Thurston County, WAWA304,2611,055–

08Whatcom County, WAWA236,392961–

09Benton County, WAWA221,722747–

10Island County, WAWA85,657556–

11Yakima County, WAWA259,185503–

12Skagit County, WAWA132,975438–

13Kittitas County, WAWA48,803432–

14Mason County, WAWA71,165420–

15Clallam County, WAWA78,202377–

16Cowlitz County, WAWA114,885361–

17Jefferson County, WAWA33,970325–

18Lewis County, WAWA88,062260–

19Whitman County, WAWA48,512245–

20Stevens County, WAWA49,668236–

21Grays Harbor County, WAWA78,144212–

22Grant County, WAWA105,727196–

23Chelan County, WAWA81,941195–

24Okanogan County, WAWA45,230146–

25Walla Walla County, WAWA62,361140–

26Klickitat County, WAWA24,331132–

27Douglas County, WAWA46,473103–

28San Juan County, WAWA18,577100–

29Pacific County, WAWA24,35790–

30Lincoln County, WAWA11,98289–

31Franklin County, WAWA102,61279–

32Pend Oreille County, WAWA14,45765–

33Skamania County, WAWA12,66965–

34Adams County, WAWA21,48839–

35Asotin County, WAWA22,54526–

36Ferry County, WAWA7,51718–

37Columbia County, WAWA4,14117–

38Garfield County, WAWA2,4167–

SHOWING 1–38 OF 38

Download CSV (full list, 38 rows)

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