RANKING · 2010 CENSUS · 39 SHOWN OF 39

Highest Scotch-Irish population share, Washington counties · 2010

Washington counties ranked by the share of all residents who are Scotch-Irish ancestry (2010 American Community Survey). A concentration measure: Scotch-Irish residents as a percentage of total population. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

Scotch-Irish 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

RANKPLACESTATEPOPSCOTCH-IRISH SHAREVS –

01Lincoln County, WAWA11,9825.3%–

02Jefferson County, WAWA33,9704.4%–

03Ferry County, WAWA7,5173.6%–

04Clallam County, WAWA78,2023.3%–

05Kitsap County, WAWA283,3743.2%–

06Garfield County, WAWA2,4163.2%–

07Lewis County, WAWA88,0623.2%–

08Okanogan County, WAWA45,2303.2%–

09San Juan County, WAWA18,5773.1%–

10Wahkiakum County, WAWA4,8733.1%–

11Pacific County, WAWA24,3573.0%–

12Klickitat County, WAWA24,3313.0%–

13Cowlitz County, WAWA114,8853.0%–

14Whatcom County, WAWA236,3922.9%–

15Stevens County, WAWA49,6682.9%–

16Douglas County, WAWA46,4732.9%–

17Mason County, WAWA71,1652.8%–

18Kittitas County, WAWA48,8032.8%–

19Pend Oreille County, WAWA14,4572.8%–

20Clark County, WAWA532,1192.8%–

21Columbia County, WAWA4,1412.7%–

22Snohomish County, WAWA870,6562.7%–

23Thurston County, WAWA304,2612.7%–

24Spokane County, WAWA558,3442.6%–

25Island County, WAWA85,6572.5%–

26Grays Harbor County, WAWA78,1442.5%–

27Whitman County, WAWA48,5122.5%–

28Pierce County, WAWA946,2882.4%–

29King County, WAWA2,344,9392.3%–

30Skagit County, WAWA132,9752.3%–

31Walla Walla County, WAWA62,3612.2%–

32Asotin County, WAWA22,5452.2%–

33Skamania County, WAWA12,6692.2%–

34Chelan County, WAWA81,9412.1%–

35Grant County, WAWA105,7271.9%–

36Benton County, WAWA221,7221.8%–

37Franklin County, WAWA102,6121.4%–

38Yakima County, WAWA259,1851.4%–

39Adams County, WAWA21,4881.0%–

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS