RANKING · 2024 ACS · 39 SHOWN OF 39

Largest Irish population, Washington counties

Washington counties ranked by the number of residents who are Irish ancestry, from the 2024 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.

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 2010

01King County, WAWA2,344,939196,924−6%

02Pierce County, WAWA946,28894,828−7%

03Snohomish County, WAWA870,65677,585−11%

04Spokane County, WAWA558,34471,074+0%

05Clark County, WAWA532,11952,909−3%

06Kitsap County, WAWA283,37435,800+0%

07Thurston County, WAWA304,26134,942+8%

08Whatcom County, WAWA236,39223,089−8%

09Benton County, WAWA221,72220,536−2%

10Skagit County, WAWA132,97514,819+13%

11Yakima County, WAWA259,18513,793−21%

12Cowlitz County, WAWA114,88512,400−18%

13Island County, WAWA85,65711,114−1%

14Grays Harbor County, WAWA78,1448,917−9%

15Lewis County, WAWA88,0628,913−20%

16Clallam County, WAWA78,2028,276−7%

17Mason County, WAWA71,1657,947−0%

18Chelan County, WAWA81,9416,654+12%

19Grant County, WAWA105,7276,345+5%

20Walla Walla County, WAWA62,3616,315−14%

21Kittitas County, WAWA48,8036,186+1%

22Whitman County, WAWA48,5125,971+2%

23Stevens County, WAWA49,6685,697−7%

24Jefferson County, WAWA33,9705,353+30%

25Franklin County, WAWA102,6124,767+2%

26Okanogan County, WAWA45,2303,772−24%

27Douglas County, WAWA46,4733,767+7%

28Asotin County, WAWA22,5452,633−17%

29San Juan County, WAWA18,5772,463+12%

30Klickitat County, WAWA24,3312,350−8%

31Pacific County, WAWA24,3572,263−10%

32Pend Oreille County, WAWA14,4571,846−10%

33Skamania County, WAWA12,6691,621−5%

34Lincoln County, WAWA11,9821,156−25%

35Adams County, WAWA21,4881,006−17%

36Ferry County, WAWA7,517855−7%

37Columbia County, WAWA4,141450−7%

38Wahkiakum County, WAWA4,873384+42%

39Garfield County, WAWA2,416267−40%

SHOWING 1–39 OF 39

Download CSV (full list, 39 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES