Data / Rankings / Median age / Counties in Oregon

Counties in Oregon by median age

Curry County had the highest median age of 36 counties in 2021, at 56.2 years. Benton County had the lowest, at 33.3 years. The median was 42.4 years and the figure for Oregon was 39.6 years. Source: the U.S. Census Bureau.

Highest56.2Curry County
Lowest33.3Benton County
Median42.436 counties
Oregon39.6History

All counties, 2021

CSVChart (SVG)

Curry CountyCurry County: 56.2 years56.2Gilliam CountyGilliam County: 53.2 years53.2Wallowa CountyWallowa County: 52.3 years52.3Wheeler CountyWheeler County: 51.9 years51.9Lincoln CountyLincoln County: 51.6 years51.6Grant CountyGrant County: 51.5 years51.5Coos CountyCoos County: 48.4 years48.4Baker CountyBaker County: 47.7 years47.7Tillamook CountyTillamook County: 47.7 years47.7Josephine CountyJosephine County: 47.1 years47.1Crook CountyCrook County: 46.9 years46.9Lake CountyLake County: 46.7 years46.7Douglas CountyDouglas County: 46.6 years46.6Sherman CountySherman County: 45.8 years45.8Harney CountyHarney County: 45.4 years45.4Clatsop CountyClatsop County: 44.5 years44.5Columbia CountyColumbia County: 43.3 years43.3Deschutes CountyDeschutes County: 42.4 years42.4Jackson CountyJackson County: 42.4 years42.4Clackamas CountyClackamas County: 41.6 years41.6Klamath CountyKlamath County: 41.4 years41.4Jefferson CountyJefferson County: 40.7 years40.7Wasco CountyWasco County: 40.3 years40.3Union CountyUnion County: 40 years40Linn CountyLinn County: 39.9 years39.9Lane CountyLane County: 39.8 years39.8Hood River CountyHood River County: 39.4 years39.4Yamhill CountyYamhill County: 39.1 years39.1Morrow CountyMorrow County: 37.8 years37.8Multnomah CountyMultnomah County: 37.8 years37.8Washington CountyWashington County: 37.3 years37.3Polk CountyPolk County: 37.1 years37.1Marion CountyMarion County: 37 years37Umatilla CountyUmatilla County: 36.8 years36.8Malheur CountyMalheur County: 35.8 years35.8Benton CountyBenton County: 33.3 years33.3
years. Source: U.S. Census Bureau. Retrieved 2026-10-08.

Full ranking

RankCounties2021
years
1Curry County56.2
2Gilliam County53.2
3Wallowa County52.3
4Wheeler County51.9
5Lincoln County51.6
6Grant County51.5
7Coos County48.4
8Baker County47.7
8Tillamook County47.7
10Josephine County47.1
11Crook County46.9
12Lake County46.7
13Douglas County46.6
14Sherman County45.8
15Harney County45.4
16Clatsop County44.5
17Columbia County43.3
18Deschutes County42.4
18Jackson County42.4
20Clackamas County41.6
21Klamath County41.4
22Jefferson County40.7
23Wasco County40.3
24Union County40
25Linn County39.9
26Lane County39.8
27Hood River County39.4
28Yamhill County39.1
29Morrow County37.8
29Multnomah County37.8
31Washington County37.3
32Polk County37.1
33Marion County37
34Umatilla County36.8
35Malheur County35.8
36Benton County33.3

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/2021/table-based-SF/data/5YRData/acsdt5y2021-b01002.dat. Retrieved 2026-10-08.

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Questions

Which county has the highest median age?

Curry County, with 56.2 years in 2021, according to the U.S. Census Bureau.

Which county has the lowest median age?

Benton County, with 33.3 years in 2021.

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