RANKING · 2010 CENSUS · 36 SHOWN OF 36

Youngest by median age, Oregon counties · 2010

Oregon counties with the youngest median age (2010 ACS). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide. The median across all 36 is 41.7.

Flip the list · Oldest by median age, US counties →

OregonAll states All rankings

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

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

Download CSV (full list, 36 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS