RANKING · 2020 CENSUS · 36 SHOWN OF 36

Oldest by median age, Oregon counties · 2020

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, OROR22,62157.5+18%

02Wheeler County, OROR1,47255.9+16%

03Lincoln County, OROR50,63652.9+20%

04Wallowa County, OROR7,59552.8+19%

05Grant County, OROR7,07550.8+22%

06Tillamook County, OROR27,38449.2+13%

07Coos County, OROR63,99249.1+14%

08Baker County, OROR16,65848.4+13%

09Josephine County, OROR87,86748.4+12%

10Douglas County, OROR111,95148.1+17%

11Gilliam County, OROR1,97148.0+12%

12Crook County, OROR27,56447.3+23%

13Lake County, OROR8,18747.3+11%

14Sherman County, OROR2,05146.3+11%

15Harney County, OROR7,38044.9+13%

16Clatsop County, OROR40,92644.6+12%

17Columbia County, OROR54,09143.4+15%

18Jackson County, OROR221,79543.1+10%

19Klamath County, OROR70,27443.0+13%

20Deschutes County, OROR213,07242.5+11%

21Wasco County, OROR26,31042.3+6%

22Clackamas County, OROR426,28041.7+11%

23Jefferson County, OROR25,74041.5+19%

24Lane County, OROR381,58440.6+11%

25Linn County, OROR132,84340.4+8%

26Hood River County, OROR23,72040.2+14%

27Union County, OROR25,90040.1+6%

28Yamhill County, OROR110,02439.5+16%

29Polk County, OROR90,03738.6+6%

30Malheur County, OROR32,26138.0+12%

31Multnomah County, OROR795,39137.7+8%

32Umatilla County, OROR81,11937.2+8%

33Washington County, OROR611,70837.2+13%

34Marion County, OROR355,77737.1+10%

35Morrow County, OROR12,60236.9+11%

36Benton County, OROR97,72833.2+7%

SHOWING 1–36 OF 36

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