RANKING · 2024 ACS · 36 SHOWN OF 36

Oldest by median age, Oregon counties

Oregon counties ranked by median age of residents (2024 ACS). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros ZIP codes

RELATEDLargest foreign-born population Most residents with a disability Largest veteran population Most uninsured people Largest senior population Most unmarried people

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Wheeler County, OROR1,47259.3+23%

02Curry County, OROR22,62157.7+18%

03Lincoln County, OROR50,63652.7+20%

04Grant County, OROR7,07550.4+21%

05Gilliam County, OROR1,97150.1+17%

06Wallowa County, OROR7,59549.7+12%

07Tillamook County, OROR27,38449.0+13%

08Coos County, OROR63,99248.6+13%

09Josephine County, OROR87,86747.3+10%

10Crook County, OROR27,56447.2+22%

11Baker County, OROR16,65847.0+10%

12Douglas County, OROR111,95146.5+13%

13Clatsop County, OROR40,92646.0+15%

14Harney County, OROR7,38045.9+15%

15Lake County, OROR8,18745.7+7%

16Sherman County, OROR2,05144.7+7%

17Columbia County, OROR54,09143.3+15%

18Deschutes County, OROR213,07242.9+12%

19Jackson County, OROR221,79542.8+9%

20Clackamas County, OROR426,28042.3+13%

21Jefferson County, OROR25,74041.5+19%

22Klamath County, OROR70,27441.3+8%

23Wasco County, OROR26,31041.0+3%

24Hood River County, OROR23,72040.7+15%

25Lane County, OROR381,58440.3+10%

26Linn County, OROR132,84340.1+7%

27Union County, OROR25,90040.0+6%

28Yamhill County, OROR110,02439.7+16%

29Multnomah County, OROR795,39138.7+11%

30Washington County, OROR611,70838.1+15%

31Polk County, OROR90,03737.8+4%

32Marion County, OROR355,77737.5+11%

33Umatilla County, OROR81,11936.9+7%

34Morrow County, OROR12,60236.3+9%

35Malheur County, OROR32,26136.1+6%

36Benton County, OROR97,72834.5+11%

SHOWING 1–36 OF 36

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