Rogersville is a town in, and the county seat of, Hawkins County, Tennessee, United States. It was settled in 1775 by the grandparents of Davy Crockett, and is the second-oldest town in the state. It is named for its founder, Joseph Rogers. Tennessee's second oldest courthouse, the Hawkins County Courthouse, first newspaper The Knoxville Gazette, and first post office are all located in Rogersville. The Rogersville Historic District is listed on the National Register of Historic Places.Rogersville is part of the Kingsport–Bristol–Bristol Metropolitan Statistical Area, which is a component of the Johnson City–Kingsport–Bristol, TN-VA Combined Statistical Area – commonly known as the "Tri-Cities" region.The population of Rogersville as of the 2010 census was 4,420. In 2016 the estimated population was 4,375.