Abbeville County, South Carolina
Abbeville County is a county located in the U.S. state of South Carolina. As of the 2020 census, its population was 24,295. Its county seat is Abbeville. It is the first county (or county equivalent) in the United States alphabetically. Abbeville County is included in the Greenville-Spartanburg-Anderson, SC Combined Statistical Area, known colloquially as the Upstate or the Upcountry.