RANKING · 2000 CENSUS · 36 SHOWN OF 36

Youngest by median age, Oregon counties · 2000

Oregon counties with the youngest median age (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

01Benton County, OROR97,72831.1+5%

02Washington County, OROR611,70833.0+1%

03Morrow County, OROR12,60233.3−1%

04Marion County, OROR355,77733.7−0%

05Malheur County, OROR32,26134.0+0%

06Yamhill County, OROR110,02434.1+4%

07Umatilla County, OROR81,11934.6+4%

08Jefferson County, OROR25,74034.8+10%

09Multnomah County, OROR795,39134.9+2%

10Hood River County, OROR23,72035.3+3%

11Polk County, OROR90,03736.5+7%

12Lane County, OROR381,58436.6+8%

13Linn County, OROR132,84337.4+8%

14Clackamas County, OROR426,28037.5+7%

15Columbia County, OROR54,09137.7+8%

16Union County, OROR25,90037.7+11%

17Klamath County, OROR70,27438.2+10%

18Deschutes County, OROR213,07238.3+7%

19Crook County, OROR27,56438.6+8%

20Jackson County, OROR221,79539.2+7%

21Harney County, OROR7,38039.8+12%

22Wasco County, OROR26,31039.9+8%

23Clatsop County, OROR40,92640.0+12%

24Douglas County, OROR111,95141.2+15%

25Grant County, OROR7,07541.7+15%

26Sherman County, OROR2,05141.8+11%

27Baker County, OROR16,65842.7+12%

28Lake County, OROR8,18742.7+18%

29Gilliam County, OROR1,97142.8+13%

30Coos County, OROR63,99243.1+15%

31Josephine County, OROR87,86743.1+8%

32Tillamook County, OROR27,38443.5+6%

33Lincoln County, OROR50,63644.1+11%

34Wallowa County, OROR7,59544.4+18%

35Wheeler County, OROR1,47248.1+11%

36Curry County, OROR22,62148.8+11%

SHOWING 1–36 OF 36

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