Umatilla County on the map of Oregon 2024. Cities, roads, borders and directions in Umatilla County of Oregon.

Umatilla County is located in the northeastern region of Oregon. This famous county is named after Sahaptin word, possibly meaning laughing waters. The population of Umatilla County exceeds 80 thousand people. The county, organized in 1862, covers an area of 3,215 square miles. The county seat of Umatilla County is Pendleton. This map shows the borders of Umatilla County as well as neighboring counties, including major highways and natural objecsts as of 2024. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Umatilla County.