Hawkins County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 56,721. Its county seat is Rogersville, Hawkins County is part of the Kingsport–Bristol–Bristol, TN-VA 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.