Home > OR > Grant County > Mount Vernon > Zip 97865

Zip Code 97865 — Mount Vernon, OR

97865 is a ZIP Code associated with Mount Vernon, OR, located within Grant. The postal region supports an estimated population of 921 residents across Data Pending housing units, with a population density of 1.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (44.429490, -119.191920)

Data MetricLocal Statistic
Postal / Zip Code97865
Primary CityMount Vernon
State / ProvinceOR
CountyGrant
Total Population921
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1.0 people/sq mi
TimezoneAmerica/Los_Angeles

How 97865 Compares

MetricZIP 97865Grant CountyOR State Average
Population9217,3934,254,259
Median IncomeData PendingN/AN/A
Population Density1.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 97845John Day14.3 mi2,265N/A
Zip 97825Dayville16.4 mi347N/A
Zip 97820Canyon City18.4 mi1,568N/A
Zip 97873Seneca23.0 mi109N/A
Zip 97856Long Creek24.7 mi485N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →