RANKING · 2010 CENSUS · 36 SHOWN OF 36

Oldest by median age, Oregon counties · 2010

Oregon counties ranked by median age of residents (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.

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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

01Curry County, OROR22,62153.5+10%

02Wheeler County, OROR1,47253.0+10%

03Wallowa County, OROR7,59550.5+14%

04Grant County, OROR7,07550.0+20%

05Gilliam County, OROR1,97149.7+16%

06Lincoln County, OROR50,63649.6+12%

07Sherman County, OROR2,05148.2+15%

08Baker County, OROR16,65847.9+12%

09Tillamook County, OROR27,38447.5+9%

10Lake County, OROR8,18747.4+11%

11Coos County, OROR63,99247.3+10%

12Josephine County, OROR87,86747.3+10%

13Douglas County, OROR111,95146.1+12%

14Crook County, OROR27,56445.6+18%

15Harney County, OROR7,38045.2+14%

16Clatsop County, OROR40,92643.2+8%

17Jackson County, OROR221,79542.1+7%

18Klamath County, OROR70,27441.7+9%

19Wasco County, OROR26,31041.7+5%

20Columbia County, OROR54,09141.3+10%

21Clackamas County, OROR426,28040.6+8%

22Deschutes County, OROR213,07240.2+5%

23Union County, OROR25,90040.0+6%

24Jefferson County, OROR25,74039.6+14%

25Linn County, OROR132,84339.2+5%

26Lane County, OROR381,58439.0+7%

27Hood River County, OROR23,72038.0+8%

28Polk County, OROR90,03737.1+2%

29Yamhill County, OROR110,02436.8+8%

30Morrow County, OROR12,60236.5+10%

31Malheur County, OROR32,26136.2+6%

32Multnomah County, OROR795,39135.7+2%

33Umatilla County, OROR81,11935.7+3%

34Washington County, OROR611,70835.3+7%

35Marion County, OROR355,77735.1+4%

36Benton County, OROR97,72832.1+3%

SHOWING 1–36 OF 36

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