Pendleton
- County:
- Umatilla County
- County Seat:
- Yes
- Area (mi²):
- 11.507
- State:
- Oregon
Pendleton is a city located in Umatilla County, Oregon. Pendleton has a 2026 population of 17,026. It is also the county seat of Umatilla County. Pendleton is currently growing at a rate of 0.11% annually and its population has increased by 0.11% since the most recent census, which recorded a population of 17,007 in 2020.