RANKING · 2010 CENSUS · 38 SHOWN OF 38

Highest Czech population share, Washington counties · 2010

Washington counties ranked by the share of all residents who are Czech ancestry (2023 American Community Survey). A concentration measure: Czech residents as a percentage of total population. 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

RANKPLACESTATEPOPCZECH SHAREVS 2000

01Jefferson County, WAWA33,9701.1%–

02Kittitas County, WAWA48,8031.1%–

03Lincoln County, WAWA11,9820.8%–

04Mason County, WAWA71,1650.7%–

05Island County, WAWA85,6570.7%–

06Klickitat County, WAWA24,3310.7%–

07San Juan County, WAWA18,5770.6%–

08Spokane County, WAWA558,3440.6%–

09Skamania County, WAWA12,6690.6%–

10King County, WAWA2,344,9390.6%–

11Whitman County, WAWA48,5120.6%–

12Stevens County, WAWA49,6680.5%–

13Clallam County, WAWA78,2020.5%–

14Clark County, WAWA532,1190.5%–

15Pend Oreille County, WAWA14,4570.5%–

16Whatcom County, WAWA236,3920.5%–

17Kitsap County, WAWA283,3740.5%–

18Benton County, WAWA221,7220.4%–

19Snohomish County, WAWA870,6560.4%–

20Thurston County, WAWA304,2610.4%–

21Columbia County, WAWA4,1410.4%–

22Pierce County, WAWA946,2880.4%–

23Pacific County, WAWA24,3570.4%–

24Skagit County, WAWA132,9750.4%–

25Okanogan County, WAWA45,2300.4%–

26Cowlitz County, WAWA114,8850.4%–

27Lewis County, WAWA88,0620.3%–

28Garfield County, WAWA2,4160.3%–

29Grays Harbor County, WAWA78,1440.3%–

30Douglas County, WAWA46,4730.3%–

31Chelan County, WAWA81,9410.3%–

32Walla Walla County, WAWA62,3610.2%–

33Ferry County, WAWA7,5170.2%–

34Grant County, WAWA105,7270.2%–

35Adams County, WAWA21,4880.2%–

36Yakima County, WAWA259,1850.2%–

37Asotin County, WAWA22,5450.1%–

38Franklin County, WAWA102,6120.1%–

SHOWING 1–38 OF 38

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