Medford is a city in and the county seat of Jackson County, Oregon, in the United States. As of the 2020 United States Census on April 1, 2020, the city had a total population of 85,824, making it the 8th most populous city in Oregon, and a metropolitan area population of 223,259, making the Medford MSA the fourth largest metro area in Oregon. The city was named in 1883 by David Loring, civil engineer and right-of-way agent for the Oregon and California Railroad, after Medford, Massachusetts, which was near Loring's hometown of Concord, Massachusetts. Medford is near the middle fork of Bear Creek.

Jackson County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 223,259. The county seat is Medford. The county is named for Andrew Jackson, the seventh president of the United States.