The Rogue River Range is a mountain range in Jackson County, Oregon. Jackson County is a county located in the U.S. state of Oregon. As of 2010, its population was 203,206. The county is named for Andrew Jackson, the seventh president of the United States. There are 11 incorporated cities and 34 unincorporated communities in Jackson County; the largest is Medford, which has been the county seat since 1927.Modoc, Shasta, Takelma, Latgawa, and Umpqua Indian tribes are all native to the region of present Jackson County. In the early 1850s, both the Klickitats from the north and the Deschutes from the south raided and settled the area.