RANKING · 2010 CENSUS · 39 SHOWN OF 39

Largest Irish population, Washington counties · 2010

Washington counties ranked by the number of residents who are Irish ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 39 counties in Washington that qualify, ranked against each other statewide. The median across all 39 is 6,112.

Irish Americans: full group profile →

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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

RANKPLACESTATEPOPIRISH POPULATIONVS –

01King County, WAWA2,344,939209,226–

02Pierce County, WAWA946,288102,477–

03Snohomish County, WAWA870,65687,159–

04Spokane County, WAWA558,34471,045–

05Clark County, WAWA532,11954,493–

06Kitsap County, WAWA283,37435,728–

07Thurston County, WAWA304,26132,220–

08Whatcom County, WAWA236,39225,169–

09Benton County, WAWA221,72220,931–

10Yakima County, WAWA259,18517,358–

11Cowlitz County, WAWA114,88515,190–

12Skagit County, WAWA132,97513,135–

13Island County, WAWA85,65711,263–

14Lewis County, WAWA88,06211,086–

15Grays Harbor County, WAWA78,1449,760–

16Clallam County, WAWA78,2028,920–

17Mason County, WAWA71,1657,976–

18Walla Walla County, WAWA62,3617,310–

19Kittitas County, WAWA48,8036,139–

20Stevens County, WAWA49,6686,112–

21Grant County, WAWA105,7276,071–

22Chelan County, WAWA81,9415,924–

23Whitman County, WAWA48,5125,854–

24Okanogan County, WAWA45,2304,993–

25Franklin County, WAWA102,6124,662–

26Jefferson County, WAWA33,9704,116–

27Douglas County, WAWA46,4733,506–

28Asotin County, WAWA22,5453,166–

29Klickitat County, WAWA24,3312,551–

30Pacific County, WAWA24,3572,524–

31San Juan County, WAWA18,5772,193–

32Pend Oreille County, WAWA14,4572,041–

33Skamania County, WAWA12,6691,704–

34Lincoln County, WAWA11,9821,536–

35Adams County, WAWA21,4881,212–

36Ferry County, WAWA7,517922–

37Columbia County, WAWA4,141486–

38Garfield County, WAWA2,416445–

39Wahkiakum County, WAWA4,873271–

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

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