RANKING · 2020 CENSUS · 39 SHOWN OF 39

Largest Polish population, Washington counties · 2020

Washington counties ranked by the number of residents who are Polish 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 39 counties in Washington that qualify, ranked against each other statewide.

Polish Americans: full group profile →

WashingtonAll states All rankings

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

RANKPLACESTATEPOPPOLISH POPULATIONVS 2010

01King County, WAWA2,344,93945,950+10%

02Pierce County, WAWA946,28814,029−16%

03Snohomish County, WAWA870,65612,869+3%

04Spokane County, WAWA558,3448,631+5%

05Clark County, WAWA532,1197,156−5%

06Thurston County, WAWA304,2616,392+28%

07Kitsap County, WAWA283,3745,754+6%

08Whatcom County, WAWA236,3924,446+20%

09Benton County, WAWA221,7222,674−14%

10Island County, WAWA85,6572,103+26%

11Cowlitz County, WAWA114,8851,808+6%

12Lewis County, WAWA88,0621,781+30%

13Skagit County, WAWA132,9751,750−2%

14Grays Harbor County, WAWA78,1441,675−3%

15Clallam County, WAWA78,2021,478+5%

16Mason County, WAWA71,1651,221+8%

17Yakima County, WAWA259,1851,131−36%

18Walla Walla County, WAWA62,361968+33%

19Chelan County, WAWA81,941910+2%

20Whitman County, WAWA48,512822−10%

21Jefferson County, WAWA33,970813+33%

22Stevens County, WAWA49,668737−4%

23Pacific County, WAWA24,357667+12%

24Kittitas County, WAWA48,803640−13%

25Grant County, WAWA105,727511−16%

26Klickitat County, WAWA24,331504+69%

27Douglas County, WAWA46,473467−11%

28Franklin County, WAWA102,612397−34%

29San Juan County, WAWA18,577351+24%

30Ferry County, WAWA7,517234+21%

31Okanogan County, WAWA45,230232−47%

32Pend Oreille County, WAWA14,457158+204%

33Skamania County, WAWA12,669155+34%

34Lincoln County, WAWA11,982147−42%

35Asotin County, WAWA22,545117−63%

36Columbia County, WAWA4,141100+64%

37Wahkiakum County, WAWA4,87376+262%

38Adams County, WAWA21,48859+11%

39Garfield County, WAWA2,41631+182%

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS