Umatilla County Map
The County of Umatilla is located in the State of Oregon. Find directions to Umatilla County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Umatilla County population is estimated at 77,752 people. The Umatilla County time zone is Pacific Daylight Time which is 8 hours behind Coordinated Universal Time (UTC).
Nearby counties include Grant County, Morrow County, Union County, Wallowa County, Benton County, Columbia County, Walla Walla County.
Top cities include Hermiston, Pendleton, Milton-Freewater, Umatilla, Stanfield