Sullivan County
County in Tennessee
Sullivan County is a county located in the U.S. state of Tennessee on its northeast border. As of the 2020 census, the population was 158,163. Its county seat is Blountville. Wikipedia
Cities: Blountville, Bristol, Bluff City, and more
County seat: Blountville
Population: 160,820 (2022)
Congressional district: 1st
Largest city: Kingsport
Named for: General John Sullivan