Bennettsville is a city in Marlboro County, South Carolina, United States. The population was 9,425 at the 2000 census and center of an urban cluster with a total population of 12,070. It is the county seat of Marlboro County.

Demographics
The city is run by an elected Mayor-council government system.

Mayor
Sandy Donaldson, Wilhelmina R. Pegues, John M. Jackson, III, Dexe Bostick, Freddie Hodges, Roosevelt Henegan, Jr.