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.

Jacksonville is a city in Jackson County, Oregon, United States, approximately 5 miles (8 km) west of Medford. It was named for Jackson Creek, which flows through the community and was the site of one of the first placer gold claims in the area. It includes Jacksonville Historic District, which was designated a U.S. National Historic Landmark in 1966. As of the 2010 census, the city population was 2,785, up from 2,235 at the 2000 census.