There are 13 zip codes in Malheur County, Oregon. The most populated is 97914, located in Ontario. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
9791419,802Ontario
979135,475Nyssa
979184,389Vale
97901676Adrian
97910627Jordan Valley
97906322Harper
9791152Juntura
9791741Riverside
9792028Westfall
9790227Arock
9790825Ironside
9790324Brogan
9790922Jamieson

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