RANKING · 2020 CENSUS · 39 SHOWN OF 39

Highest British population share, Washington counties · 2020

Washington counties ranked by the share of all residents who are British ancestry (2023 American Community Survey). A concentration measure: British residents as a percentage of total population. This list covers the 39 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

RANKPLACESTATEPOPBRITISH SHAREVS 2000

01Jefferson County, WAWA33,9701.7%–

02Mason County, WAWA71,1651.6%–

03San Juan County, WAWA18,5771.6%–

04Whatcom County, WAWA236,3921.4%–

05Skamania County, WAWA12,6691.4%–

06Whitman County, WAWA48,5121.3%–

07Ferry County, WAWA7,5171.3%–

08Kitsap County, WAWA283,3741.3%–

09Island County, WAWA85,6571.3%–

10Thurston County, WAWA304,2611.2%–

11Lewis County, WAWA88,0621.2%–

12Clallam County, WAWA78,2021.2%–

13King County, WAWA2,344,9391.1%–

14Clark County, WAWA532,1191.0%–

15Pend Oreille County, WAWA14,4571.0%–

16Benton County, WAWA221,7221.0%–

17Skagit County, WAWA132,9751.0%–

18Kittitas County, WAWA48,8031.0%–

19Snohomish County, WAWA870,6560.9%–

20Klickitat County, WAWA24,3310.9%–

21Grays Harbor County, WAWA78,1440.9%–

22Chelan County, WAWA81,9410.9%–

23Spokane County, WAWA558,3440.9%–

24Pierce County, WAWA946,2880.8%–

25Pacific County, WAWA24,3570.8%–

26Okanogan County, WAWA45,2300.8%–

27Douglas County, WAWA46,4730.8%–

28Stevens County, WAWA49,6680.7%–

29Yakima County, WAWA259,1850.7%–

30Walla Walla County, WAWA62,3610.6%–

31Cowlitz County, WAWA114,8850.5%–

32Lincoln County, WAWA11,9820.5%–

33Wahkiakum County, WAWA4,8730.5%–

34Grant County, WAWA105,7270.4%–

35Franklin County, WAWA102,6120.3%–

36Asotin County, WAWA22,5450.3%–

37Columbia County, WAWA4,1410.3%–

38Garfield County, WAWA2,4160.2%–

39Adams County, WAWA21,4880.0%–

SHOWING 1–39 OF 39

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