RANKING · 2020 CENSUS · 39 SHOWN OF 39

Largest American population, Washington counties · 2020

Washington counties ranked by the number of residents who are American 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. The median across all 39 is 3,281.

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SAME RANKING BYCities States Metros

RELATEDHighest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share Largest Iraqi population

YEAR2010 2020 2024

RANKPLACESTATEPOPAMERICAN POPULATIONVS 2010

01King County, WAWA2,344,93957,354+6%

02Pierce County, WAWA946,28834,399+5%

03Snohomish County, WAWA870,65627,797+11%

04Spokane County, WAWA558,34424,027+17%

05Clark County, WAWA532,11920,766+18%

06Kitsap County, WAWA283,37411,628+12%

07Benton County, WAWA221,72210,754−18%

08Thurston County, WAWA304,26110,399−9%

09Yakima County, WAWA259,1859,091+6%

10Chelan County, WAWA81,9418,092−24%

11Whatcom County, WAWA236,3926,868−20%

12Stevens County, WAWA49,6685,414+104%

13Cowlitz County, WAWA114,8854,793−12%

14Skagit County, WAWA132,9754,775+6%

15Grant County, WAWA105,7274,655+39%

16Okanogan County, WAWA45,2304,491+209%

17Island County, WAWA85,6573,880+23%

18Clallam County, WAWA78,2023,638−1%

19Lewis County, WAWA88,0623,603−37%

20Lincoln County, WAWA11,9823,281+761%

21Walla Walla County, WAWA62,3613,255−14%

22Franklin County, WAWA102,6122,870+23%

23Mason County, WAWA71,1652,714−7%

24Grays Harbor County, WAWA78,1442,623−13%

25Douglas County, WAWA46,4732,008+9%

26Whitman County, WAWA48,5122,002+12%

27Klickitat County, WAWA24,3311,984+133%

28Kittitas County, WAWA48,8031,833+36%

29Asotin County, WAWA22,5451,337−16%

30Jefferson County, WAWA33,9701,192−5%

31Skamania County, WAWA12,6691,166+116%

32Pacific County, WAWA24,357806−50%

33Adams County, WAWA21,488616+55%

34Pend Oreille County, WAWA14,457470−13%

35San Juan County, WAWA18,577419−5%

36Columbia County, WAWA4,141260−6%

37Ferry County, WAWA7,517184−34%

38Wahkiakum County, WAWA4,873158−59%

39Garfield County, WAWA2,41694+22%

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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