RANKING · 1990 CENSUS · 36 SHOWN OF 36

Oldest by median age, Oregon counties · 1990

Oregon counties ranked by median age of residents (1990 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 –

01Curry County, OROR22,62143.9–

02Wheeler County, OROR1,47243.4–

03Tillamook County, OROR27,38440.9–

04Josephine County, OROR87,86740.0–

05Lincoln County, OROR50,63639.6–

06Baker County, OROR16,65838.0–

07Gilliam County, OROR1,97137.8–

08Sherman County, OROR2,05137.8–

09Coos County, OROR63,99237.6–

10Wallowa County, OROR7,59537.6–

11Wasco County, OROR26,31037.0–

12Jackson County, OROR221,79536.6–

13Grant County, OROR7,07536.3–

14Lake County, OROR8,18736.3–

15Douglas County, OROR111,95136.0–

16Deschutes County, OROR213,07235.9–

17Clatsop County, OROR40,92635.9–

18Crook County, OROR27,56435.7–

19Harney County, OROR7,38035.7–

20Clackamas County, OROR426,28035.2–

21Klamath County, OROR70,27434.8–

22Linn County, OROR132,84334.8–

23Columbia County, OROR54,09134.8–

24Polk County, OROR90,03734.3–

25Multnomah County, OROR795,39134.2–

26Hood River County, OROR23,72034.2–

27Union County, OROR25,90034.0–

28Lane County, OROR381,58433.9–

29Malheur County, OROR32,26133.9–

30Marion County, OROR355,77733.7–

31Morrow County, OROR12,60233.6–

32Umatilla County, OROR81,11933.2–

33Yamhill County, OROR110,02432.8–

34Washington County, OROR611,70832.7–

35Jefferson County, OROR25,74031.7–

36Benton County, OROR97,72829.6–

SHOWING 1–36 OF 36

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