RANKING · 1990 CENSUS · 39 SHOWN OF 39

Largest senior population, Washington counties · 1990

Washington counties home to the most residents aged 65 and over as of 1990. Ranked by number of people, not the senior share. This list covers the 39 counties in Washington that qualify, ranked against each other statewide.

WashingtonAll states All rankings

SAME RANKING BYCities States Metros

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPRESIDENTS 65 AND OVERVS –

01King County, WAWA2,344,939167,328–

02Pierce County, WAWA946,28861,247–

03Spokane County, WAWA558,34447,877–

04Snohomish County, WAWA870,65644,280–

05Clark County, WAWA532,11925,433–

06Yakima County, WAWA259,18524,471–

07Kitsap County, WAWA283,37420,284–

08Thurston County, WAWA304,26118,799–

09Whatcom County, WAWA236,39216,225–

10Skagit County, WAWA132,97512,494–

11Clallam County, WAWA78,20211,528–

12Benton County, WAWA221,72211,399–

13Cowlitz County, WAWA114,88511,099–

14Grays Harbor County, WAWA78,14410,190–

15Lewis County, WAWA88,0629,311–

16Island County, WAWA85,6578,289–

17Chelan County, WAWA81,9418,188–

18Walla Walla County, WAWA62,3617,600–

19Grant County, WAWA105,7276,989–

20Mason County, WAWA71,1656,326–

21Okanogan County, WAWA45,2304,647–

22Jefferson County, WAWA33,9704,167–

23Pacific County, WAWA24,3574,088–

24Stevens County, WAWA49,6683,861–

25Franklin County, WAWA102,6123,674–

26Whitman County, WAWA48,5123,665–

27Kittitas County, WAWA48,8033,550–

28Douglas County, WAWA46,4733,174–

29Asotin County, WAWA22,5452,919–

30Klickitat County, WAWA24,3312,341–

31San Juan County, WAWA18,5772,140–

32Lincoln County, WAWA11,9821,754–

33Adams County, WAWA21,4881,527–

34Pend Oreille County, WAWA14,4571,242–

35Skamania County, WAWA12,669888–

36Columbia County, WAWA4,141761–

37Ferry County, WAWA7,517670–

38Wahkiakum County, WAWA4,873648–

39Garfield County, WAWA2,416500–

SHOWING 1–39 OF 39

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS