Cities & Towns in Umatilla County, OR

Umatilla County, county in Oregon, United States. As of 2020 county had an estimated population of 77,752 inhabitants. The county was created 160 years ago in 1862. Its county seat is "Pendleton".

There are 2 city/town in Umatilla County, OR. The largest city of Umatilla County is Hermiston with a population of 17,791. Other cities include and Helix population 191


Hermiston, city in Oregon, USA


Helix, city in Oregon, USA

All Umatilla County Cities (Aphebetical)

Cities, Towns, Neighborhoods & Other Populated Places in Umatilla County.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name Title County Population
Helix City in Oregon, USA Umatilla 191
Hermiston City in Oregon, USA Umatilla 17,791