Baker City is a city in and the county seat of Baker County, Oregon, United States. It was named after Edward D. Baker, the only U.S. Senator ever killed in military combat. The population was 9,828 at the time of the 2010 census.
Union County is one of the 36 counties in the U.S. state of Oregon. As of the 2010 census, the population was 25,748. Its county seat is La Grande.Union County comprises the La Grande, OR Micropolitan Statistical Area. It is one of the eight counties of eastern Oregon.
Pendleton is a city and the county seat of Umatilla County, Oregon. The population was 17,107 at the time of the 2020 census, which includes approximately 1,600 people who are incarcerated at Eastern Oregon Correctional Institution.Pendleton is the smaller of the two principal cities of the Hermiston–Pendleton Micropolitan Statistical Area. This micropolitan area covers Morrow and Umatilla counties and had a combined population of 92,261 at the 2020 census.