Umatilla County
| Use attributes for filter ! | |
| Area | 8368 |
|---|---|
| Population | 76,985 (2017) |
| County seat | Pendleton |
| Rivers | North Fork Umatilla River |
| Lookingglass Creek | |
| Points of interest | Wildhorse Resort & Casino |
| Date of Reg. | |
| Date of Upd. | |
| ID | 837600 |
About Umatilla County
Umatilla County is a county located in the U. S. state of Oregon. As of the 2010 census, the population was 75,889. The county seat is Pendleton, but the largest city is Hermiston. The county is named for the Umatilla River. Umatilla County is part of the Hermiston-Pendleton, OR Micropolitan Statistical Area.
