RANKING · 2010 CENSUS · 36 SHOWN OF 36

Youngest by median age, Oregon counties · 2010

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, OROR97,72832.1+3%

02Marion County, OROR355,77735.1+4%

03Washington County, OROR611,70835.3+7%

04Multnomah County, OROR795,39135.7+2%

05Umatilla County, OROR81,11935.7+3%

06Malheur County, OROR32,26136.2+6%

07Morrow County, OROR12,60236.5+10%

08Yamhill County, OROR110,02436.8+8%

09Polk County, OROR90,03737.1+2%

10Hood River County, OROR23,72038.0+8%

11Lane County, OROR381,58439.0+7%

12Linn County, OROR132,84339.2+5%

13Jefferson County, OROR25,74039.6+14%

14Union County, OROR25,90040.0+6%

15Deschutes County, OROR213,07240.2+5%

16Clackamas County, OROR426,28040.6+8%

17Columbia County, OROR54,09141.3+10%

18Klamath County, OROR70,27441.7+9%

19Wasco County, OROR26,31041.7+5%

20Jackson County, OROR221,79542.1+7%

21Clatsop County, OROR40,92643.2+8%

22Harney County, OROR7,38045.2+14%

23Crook County, OROR27,56445.6+18%

24Douglas County, OROR111,95146.1+12%

25Coos County, OROR63,99247.3+10%

26Josephine County, OROR87,86747.3+10%

27Lake County, OROR8,18747.4+11%

28Tillamook County, OROR27,38447.5+9%

29Baker County, OROR16,65847.9+12%

30Sherman County, OROR2,05148.2+15%

31Lincoln County, OROR50,63649.6+12%

32Gilliam County, OROR1,97149.7+16%

33Grant County, OROR7,07550.0+20%

34Wallowa County, OROR7,59550.5+14%

35Wheeler County, OROR1,47253.0+10%

36Curry County, OROR22,62153.5+10%

SHOWING 1–36 OF 36

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