RANKING · 2000 CENSUS · 36 SHOWN OF 36

Oldest by median age, Oregon counties · 2000

Oregon counties ranked by median age of residents (2000 ACS). This list covers the 36 counties in Oregon that qualify, ranked against each other statewide. The median across all 36 is 38.6.

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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 1990

01Curry County, OROR22,62148.8+11%

02Wheeler County, OROR1,47248.1+11%

03Wallowa County, OROR7,59544.4+18%

04Lincoln County, OROR50,63644.1+11%

05Tillamook County, OROR27,38443.5+6%

06Coos County, OROR63,99243.1+15%

07Josephine County, OROR87,86743.1+8%

08Gilliam County, OROR1,97142.8+13%

09Baker County, OROR16,65842.7+12%

10Lake County, OROR8,18742.7+18%

11Sherman County, OROR2,05141.8+11%

12Grant County, OROR7,07541.7+15%

13Douglas County, OROR111,95141.2+15%

14Clatsop County, OROR40,92640.0+12%

15Wasco County, OROR26,31039.9+8%

16Harney County, OROR7,38039.8+12%

17Jackson County, OROR221,79539.2+7%

18Crook County, OROR27,56438.6+8%

19Deschutes County, OROR213,07238.3+7%

20Klamath County, OROR70,27438.2+10%

21Columbia County, OROR54,09137.7+8%

22Union County, OROR25,90037.7+11%

23Clackamas County, OROR426,28037.5+7%

24Linn County, OROR132,84337.4+8%

25Lane County, OROR381,58436.6+8%

26Polk County, OROR90,03736.5+7%

27Hood River County, OROR23,72035.3+3%

28Multnomah County, OROR795,39134.9+2%

29Jefferson County, OROR25,74034.8+10%

30Umatilla County, OROR81,11934.6+4%

31Yamhill County, OROR110,02434.1+4%

32Malheur County, OROR32,26134.00%

33Marion County, OROR355,77733.70%

34Morrow County, OROR12,60233.3−1%

35Washington County, OROR611,70833.0+1%

36Benton County, OROR97,72831.1+5%

SHOWING 1–36 OF 36

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