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Marlboro County is a county located in the state of South Carolina. Based on the 2010 census, it population to be 28,933. Its
county seat is Bennettsville. The Great Pee Dee River runs through it.
Marlboro County comprises the Bennettsville, SC Micropolitan Statistical Area.
Marlboro is named after John Churchill, 1st Duke of Marlborough.
County QuickFacts: CensusBureau Quick Facts
Marlboro County was named for John Churchill, first Duke of Marlborough (1650-1722). The county name was originally spelled Marlborough, but it was later shortened. The county was created in 1785 as a part of Cheraws District. Welsh Baptists from Delaware settled in an area of the county known as Welsh Neck around 1737, and they were later joined by English and Scotch-Irish settlers. Cotton growing made this a wealthy part of the state prior to the Civil War. The town of Blenheim was also known for its mineral springs. General Sherman's troops passed through the county in 1865, briefly occupying the town of Bennettsville. Some famous Marlboro County natives are US Congressman and diplomat Robert Blair Campbell (1791-1862), US and Confederate Congressman John McQueen (1804-1867), and children's advocate Marian Wright Edelman.
As reported by the Census Bureau, the county has a total area of 485 square miles (1,257 km2), of which, 480
square miles (1,242 km2) of it is land and 6 square miles (14 km2) of it (1.15%) is water.
Bordering counties are as follows: