RANKING · 2024 ACS · 36 SHOWN OF 36

Highest Portuguese population share, Washington counties

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 36 counties in Washington that qualify, ranked against each other statewide.

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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

01Pacific County, WAWA24,3571.1%–

02Whitman County, WAWA48,5120.6%–

03Island County, WAWA85,6570.5%–

04Mason County, WAWA71,1650.4%–

05Jefferson County, WAWA33,9700.4%–

06San Juan County, WAWA18,5770.4%–

07Clallam County, WAWA78,2020.4%–

08Skamania County, WAWA12,6690.4%–

09Kitsap County, WAWA283,3740.4%–

10Pend Oreille County, WAWA14,4570.4%–

11Pierce County, WAWA946,2880.4%–

12Clark County, WAWA532,1190.4%–

13King County, WAWA2,344,9390.4%–

14Stevens County, WAWA49,6680.4%–

15Whatcom County, WAWA236,3920.3%–

16Spokane County, WAWA558,3440.3%–

17Thurston County, WAWA304,2610.3%–

18Chelan County, WAWA81,9410.3%–

19Snohomish County, WAWA870,6560.3%–

20Cowlitz County, WAWA114,8850.3%–

21Kittitas County, WAWA48,8030.2%–

22Skagit County, WAWA132,9750.2%–

23Grays Harbor County, WAWA78,1440.2%–

24Douglas County, WAWA46,4730.2%–

25Franklin County, WAWA102,6120.2%–

26Wahkiakum County, WAWA4,8730.2%–

27Klickitat County, WAWA24,3310.2%–

28Walla Walla County, WAWA62,3610.2%–

29Grant County, WAWA105,7270.2%–

30Benton County, WAWA221,7220.1%–

31Adams County, WAWA21,4880.1%–

32Okanogan County, WAWA45,2300.1%–

33Lincoln County, WAWA11,9820.1%–

34Lewis County, WAWA88,0620.1%–

35Ferry County, WAWA7,5170.1%–

36Yakima County, WAWA259,1850.0%–

SHOWING 1–36 OF 36

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