Baker

Baker County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 16,668. The county seat and largest city is Baker City. The county was organized on September 22, 1862, when a portion of Wasco County was partitioned off. The new county's area was reduced in 1864 when Union County was partitioned off, and again in 1887 when Malheur County was partitioned off. The county's lines were last adjusted in 1901 when a parcel was added to the county.

Baker County was named for Edward Dickinson Baker, a senator from Oregon who was killed at Ball's Bluff, a battle of the Civil War in Virginia in 1861. The county is part of the county definition of Eastern Oregon.