Sneedville is the only city in and the county seat of Hancock County, Tennessee, United States. The population was 1,282 per the 2020 census. Settlement began in the 1790s, following the American Revolutionary War, as migrants moved into the area from the Piedmont frontiers of Virginia and North Carolina. Such migrants had formed families in colonial Vir…Sneedville is the only city in and the county seat of Hancock County, Tennessee, United States. The population was 1,282 per the 2020 census. Settlement began in the 1790s, following the American Revolutionary War, as migrants moved into the area from the Piedmont frontiers of Virginia and North Carolina. Such migrants had formed families in colonial Virginia. Among them was a multi-racial group of settlers who became known as Melungeons. They have been documented as having primarily European and sub-Saharan African ancestry. They also have a lesser amount of Native American heritage.