RANKING · 2024 ACS · 36 SHOWN OF 36

Youngest by median age, Oregon counties

Oregon counties with the youngest median age (2023 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

RELATEDOldest by median age Most foreign-born residents Highest uninsured rate Most women Most men Highest disability rate

YEAR1990 2000 2010 2020 2024

RANKPLACESTATEPOPMEDIAN AGEVS 2000

01Benton County, OROR97,72834.5+11%

02Malheur County, OROR32,26136.1+6%

03Morrow County, OROR12,60236.3+9%

04Umatilla County, OROR81,11936.9+7%

05Marion County, OROR355,77737.5+11%

06Polk County, OROR90,03737.8+4%

07Washington County, OROR611,70838.1+15%

08Multnomah County, OROR795,39138.7+11%

09Yamhill County, OROR110,02439.7+16%

10Union County, OROR25,90040.0+6%

11Linn County, OROR132,84340.1+7%

12Lane County, OROR381,58440.3+10%

13Hood River County, OROR23,72040.7+15%

14Wasco County, OROR26,31041.0+3%

15Klamath County, OROR70,27441.3+8%

16Jefferson County, OROR25,74041.5+19%

17Clackamas County, OROR426,28042.3+13%

18Jackson County, OROR221,79542.8+9%

19Deschutes County, OROR213,07242.9+12%

20Columbia County, OROR54,09143.3+15%

21Sherman County, OROR2,05144.7+7%

22Lake County, OROR8,18745.7+7%

23Harney County, OROR7,38045.9+15%

24Clatsop County, OROR40,92646.0+15%

25Douglas County, OROR111,95146.5+13%

26Baker County, OROR16,65847.0+10%

27Crook County, OROR27,56447.2+22%

28Josephine County, OROR87,86747.3+10%

29Coos County, OROR63,99248.6+13%

30Tillamook County, OROR27,38449.0+13%

31Wallowa County, OROR7,59549.7+12%

32Gilliam County, OROR1,97150.1+17%

33Grant County, OROR7,07550.4+21%

34Lincoln County, OROR50,63652.7+20%

35Curry County, OROR22,62157.7+18%

36Wheeler County, OROR1,47259.3+23%

SHOWING 1–36 OF 36

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UPDATED 2026-06-02 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES