RANKING · 2020 CENSUS · 38 SHOWN OF 38

Highest Portuguese population share, Washington counties · 2020

Washington counties ranked by the share of all residents who are Portuguese ancestry (2023 American Community Survey). A concentration measure: Portuguese 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

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2000

01Jefferson County, WAWA33,9701.1%–

02Ferry County, WAWA7,5171.0%–

03Pacific County, WAWA24,3570.7%–

04Pend Oreille County, WAWA14,4570.7%–

05Island County, WAWA85,6570.6%–

06Walla Walla County, WAWA62,3610.6%–

07Clallam County, WAWA78,2020.6%–

08Kitsap County, WAWA283,3740.6%–

09Pierce County, WAWA946,2880.5%–

10Cowlitz County, WAWA114,8850.5%–

11Wahkiakum County, WAWA4,8730.5%–

12San Juan County, WAWA18,5770.4%–

13Whitman County, WAWA48,5120.4%–

14Mason County, WAWA71,1650.4%–

15Columbia County, WAWA4,1410.4%–

16Grays Harbor County, WAWA78,1440.4%–

17Whatcom County, WAWA236,3920.4%–

18Clark County, WAWA532,1190.4%–

19Spokane County, WAWA558,3440.3%–

20Klickitat County, WAWA24,3310.3%–

21Lewis County, WAWA88,0620.3%–

22Kittitas County, WAWA48,8030.3%–

23King County, WAWA2,344,9390.3%–

24Skagit County, WAWA132,9750.3%–

25Okanogan County, WAWA45,2300.3%–

26Thurston County, WAWA304,2610.3%–

27Benton County, WAWA221,7220.3%–

28Douglas County, WAWA46,4730.3%–

29Skamania County, WAWA12,6690.3%–

30Adams County, WAWA21,4880.2%–

31Snohomish County, WAWA870,6560.2%–

32Asotin County, WAWA22,5450.2%–

33Franklin County, WAWA102,6120.2%–

34Chelan County, WAWA81,9410.2%–

35Stevens County, WAWA49,6680.2%–

36Yakima County, WAWA259,1850.2%–

37Grant County, WAWA105,7270.1%–

38Lincoln County, WAWA11,9820.1%–

SHOWING 1–38 OF 38

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