Data / Rankings / Median age / Counties in Oregon

Counties in Oregon by median age

Wheeler County had the highest median age of 36 counties in 2023, at 57.3 years. Benton County had the lowest, at 33.8 years. The median was 42.7 years and the figure for Oregon was 40.1 years. Source: the U.S. Census Bureau.

Highest57.3Wheeler County
Lowest33.8Benton County
Median42.736 counties
Oregon40.1History

All counties, 2023

CSVChart (SVG)

Wheeler CountyWheeler County: 57.3 years57.3Curry CountyCurry County: 57.2 years57.2Lincoln CountyLincoln County: 52.5 years52.5Grant CountyGrant County: 50.8 years50.8Gilliam CountyGilliam County: 50.3 years50.3Wallowa CountyWallowa County: 50.2 years50.2Tillamook CountyTillamook County: 48.9 years48.9Coos CountyCoos County: 48.6 years48.6Crook CountyCrook County: 47.7 years47.7Baker CountyBaker County: 47.6 years47.6Josephine CountyJosephine County: 47.5 years47.5Douglas CountyDouglas County: 46.6 years46.6Lake CountyLake County: 45.9 years45.9Harney CountyHarney County: 45.8 years45.8Sherman CountySherman County: 45.8 years45.8Clatsop CountyClatsop County: 45.2 years45.2Columbia CountyColumbia County: 43.2 years43.2Jackson CountyJackson County: 42.7 years42.7Deschutes CountyDeschutes County: 42.6 years42.6Clackamas CountyClackamas County: 42.1 years42.1Jefferson CountyJefferson County: 41.3 years41.3Klamath CountyKlamath County: 41.3 years41.3Wasco CountyWasco County: 40.5 years40.5Hood River CountyHood River County: 40.2 years40.2Lane CountyLane County: 40.2 years40.2Linn CountyLinn County: 40.2 years40.2Union CountyUnion County: 40.1 years40.1Yamhill CountyYamhill County: 39.5 years39.5Multnomah CountyMultnomah County: 38.5 years38.5Washington CountyWashington County: 37.8 years37.8Polk CountyPolk County: 37.6 years37.6Marion CountyMarion County: 37.2 years37.2Umatilla CountyUmatilla County: 36.7 years36.7Malheur CountyMalheur County: 36.2 years36.2Morrow CountyMorrow County: 36.2 years36.2Benton CountyBenton County: 33.8 years33.8
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2023
years		Change on 2022
1Wheeler County57.3+1.2
2Curry County57.2+0.4
3Lincoln County52.5+0.1
4Grant County50.8-0.9
5Gilliam County50.3-0.7
6Wallowa County50.2-0.7
7Tillamook County48.9+0.2
8Coos County48.6+0.2
9Crook County47.7+0.7
10Baker County47.6+0.2
11Josephine County47.5+0.1
12Douglas County46.60
13Lake County45.9-0.2
14Harney County45.8+0.3
14Sherman County45.8+0.1
16Clatsop County45.2+0.3
17Columbia County43.2+0.1
18Jackson County42.7+0.4
19Deschutes County42.60
20Clackamas County42.1+0.2
21Jefferson County41.3+0.2
21Klamath County41.3+0.2
23Wasco County40.5+0.1
24Hood River County40.20
24Lane County40.2+0.1
24Linn County40.2+0.2
27Union County40.1+0.4
28Yamhill County39.5+0.1
29Multnomah County38.5+0.3
30Washington County37.8+0.3
31Polk County37.6+0.5
32Marion County37.2+0.2
33Umatilla County36.7-0.2
34Malheur County36.2+0.3
34Morrow County36.2-0.8
36Benton County33.8+0.3

Other periods

About this ranking

Age that divides the resident population into two halves of equal size. Spain and the EU: on 1 January. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B01002: median age, total population. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Wheeler County, with 57.3 years in 2023, according to the U.S. Census Bureau.

Which county has the lowest median age?

Benton County, with 33.8 years in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B01002: median age, total population. Retrieved 2026-10-08.

Median age: other rankings

Counties in Oregon: more rankings