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 (2020 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. The median across all 38 is 0.3%.

Portuguese 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

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2010

01Jefferson County, WAWA33,9701.1%+0.7 pts

02Ferry County, WAWA7,5171.0%+0.9 pts

03Pacific County, WAWA24,3570.7%−0.4 pts

04Pend Oreille County, WAWA14,4570.7%−0.5 pts

05Island County, WAWA85,6570.6%−0.2 pts

06Walla Walla County, WAWA62,3610.6%+0.3 pts

07Clallam County, WAWA78,2020.6%0.0 pts

08Kitsap County, WAWA283,3740.6%0.0 pts

09Pierce County, WAWA946,2880.5%+0.1 pts

10Cowlitz County, WAWA114,8850.5%0.0 pts

11Wahkiakum County, WAWA4,8730.5%–

12San Juan County, WAWA18,5770.4%+0.1 pts

13Whitman County, WAWA48,5120.4%+0.1 pts

14Mason County, WAWA71,1650.4%0.0 pts

15Columbia County, WAWA4,1410.4%–

16Grays Harbor County, WAWA78,1440.4%0.0 pts

17Whatcom County, WAWA236,3920.4%0.0 pts

18Clark County, WAWA532,1190.4%−0.2 pts

19Spokane County, WAWA558,3440.3%+0.1 pts

20Klickitat County, WAWA24,3310.3%+0.1 pts

21Lewis County, WAWA88,0620.3%0.0 pts

22Kittitas County, WAWA48,8030.3%+0.2 pts

23King County, WAWA2,344,9390.3%0.0 pts

24Skagit County, WAWA132,9750.3%0.0 pts

25Okanogan County, WAWA45,2300.3%+0.2 pts

26Thurston County, WAWA304,2610.3%−0.1 pts

27Benton County, WAWA221,7220.3%+0.1 pts

28Douglas County, WAWA46,4730.3%0.0 pts

29Skamania County, WAWA12,6690.3%+0.2 pts

30Adams County, WAWA21,4880.2%–

31Snohomish County, WAWA870,6560.2%0.0 pts

32Asotin County, WAWA22,5450.2%0.0 pts

33Franklin County, WAWA102,6120.2%+0.1 pts

34Chelan County, WAWA81,9410.2%−0.1 pts

35Stevens County, WAWA49,6680.2%0.0 pts

36Yakima County, WAWA259,1850.2%0.0 pts

37Grant County, WAWA105,7270.1%−0.1 pts

38Lincoln County, WAWA11,9820.1%−0.3 pts

SHOWING 1–38 OF 38

Download CSV (full list, 38 rows)

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