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.

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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, OROR32,26134.0+0%

33Marion County, OROR355,77733.7−0%

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 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS