There are 10 zip codes in Grant County, Oregon. The most populated is 97845, located in John Day. * 2024 populations estimated based on the latest ACS 5-year data.

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Zip Code
Population
City
978452,300John Day
978201,137Canyon City
978651,133Mount Vernon
97869938Prairie City
97856498Long Creek
97825407Dayville
97864295Monument
97848215Kimberly
97873167Seneca
9781737Bates
showing: 10 rows

Zip Codes in Grant County, Oregon by Population (2024)