RANKING · 2010 CENSUS · 36 SHOWN OF 36

Oldest by median age, Oregon counties · 2010

Oregon counties ranked by median age of residents (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

RELATEDYoungest 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

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