Data / Rankings / Population aged 65 and over / Counties in Oregon

Counties in Oregon by share of population aged 65 and over

Wheeler County had the highest share of population aged 65 and over of 36 counties in 2020, at 36%. Washington County had the lowest, at 14.2%. The median was 22.6% and the figure for Oregon was 18.8%. Source: the U.S. Census Bureau.

Highest36Wheeler County
Lowest14.2Washington County
Median22.636 counties
Oregon18.8History

All counties, 2020

CSVChart (SVG)

Wheeler CountyWheeler County: 36 %36Curry CountyCurry County: 35.6 %35.6Wallowa CountyWallowa County: 31.6 %31.6Lincoln CountyLincoln County: 30.8 %30.8Grant CountyGrant County: 30.3 %30.3Josephine CountyJosephine County: 27.7 %27.7Coos CountyCoos County: 27.4 %27.4Tillamook CountyTillamook County: 27.3 %27.3Baker CountyBaker County: 27 %27Gilliam CountyGilliam County: 27 %27Douglas CountyDouglas County: 26.8 %26.8Crook CountyCrook County: 26.2 %26.2Harney CountyHarney County: 25 %25Lake CountyLake County: 24.8 %24.8Clatsop CountyClatsop County: 24 %24Sherman CountySherman County: 23.8 %23.8Jackson CountyJackson County: 23.4 %23.4Wasco CountyWasco County: 22.6 %22.6Klamath CountyKlamath County: 22.6 %22.6Union CountyUnion County: 21.6 %21.6Deschutes CountyDeschutes County: 21.3 %21.3Lane CountyLane County: 21 %21Jefferson CountyJefferson County: 20.5 %20.5Columbia CountyColumbia County: 20.1 %20.1Linn CountyLinn County: 19.9 %19.9Polk CountyPolk County: 19.5 %19.5Clackamas CountyClackamas County: 19.3 %19.3Yamhill CountyYamhill County: 18.7 %18.7Benton CountyBenton County: 17.6 %17.6Malheur CountyMalheur County: 17.6 %17.6Marion CountyMarion County: 16.8 %16.8Hood River CountyHood River County: 16.8 %16.8Umatilla CountyUmatilla County: 16.6 %16.6Morrow CountyMorrow County: 15.9 %15.9Multnomah CountyMultnomah County: 14.4 %14.4Washington CountyWashington County: 14.2 %14.2
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-09.

Full ranking

RankCounties2020 (%)
1Wheeler County36
2Curry County35.6
3Wallowa County31.6
4Lincoln County30.8
5Grant County30.3
6Josephine County27.7
7Coos County27.4
8Tillamook County27.3
9Baker County27
10Gilliam County27
11Douglas County26.8
12Crook County26.2
13Harney County25
14Lake County24.8
15Clatsop County24
16Sherman County23.8
17Jackson County23.4
18Wasco County22.6
19Klamath County22.6
20Union County21.6
21Deschutes County21.3
22Lane County21
23Jefferson County20.5
24Columbia County20.1
25Linn County19.9
26Polk County19.5
27Clackamas County19.3
28Yamhill County18.7
29Benton County17.6
30Malheur County17.6
31Marion County16.8
32Hood River County16.8
33Umatilla County16.6
34Morrow County15.9
35Multnomah County14.4
36Washington County14.2

Other periods

About this ranking

Residents aged 65 or over as a percentage of total population. Spain: 1 January, INE annual census. United States: 1 July, Census Bureau population estimates. World Bank figures for other countries and the World refer to mid-year.

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. Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/asrh/cc-est2025-agesex-all.csv. Retrieved 2026-10-09.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Counties in Oregon by share of population aged 65 and over using official data, and cite the source.
rank_places {"indicator":"population_65_plus_share","level":"province","within":"Oregon","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population_65_plus_share&level=province&within=Oregon&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which county has the highest share of population aged 65 and over?

Wheeler County, with 36% in 2020, according to the U.S. Census Bureau.

Which county has the lowest share of population aged 65 and over?

Washington County, with 14.2% in 2020.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program, county population by age and sex (cc-est agesex): residents aged 65 and over as a percentage of the total, 1 July; states and the nation summed from counties. Retrieved 2026-10-09.

Population aged 65 and over: other rankings

Counties in Oregon: more rankings