Blenheim, South Carolina Blenheim, South Carolina Blenheim is a town in Marlboro County, South Carolina, United States. The population was 137 at the 2000 census. It is named for Blenheim Palace in Oxfordshire, England which itself is named for the Battle of Blenheim, a major English victory of the War of the Spanish Succession at what is now Blindheim, Germany. Blenheim Palace was the residence of the Duke of Marlborough, after whom Marlboro County is named. Blenheim Ginger Ale was originally bottled in Blenheim, with the local mineral water. Blenheim is located at (34.507513, -79.653088). According to the United States Census Bureau, the
Blenheim Palace 1940 allowed MI5 to use the palace as a base. The palace remains the home of the Dukes of Marlborough, the present incumbent of the title being Charles James (Jamie) Spencer-Churchill, 12th Duke of Marlborough. Charles James succeeded the Dukedom upon his father's death on 16 October 2014. , the Marlboroughs still have to tender a copy of the French royal flag to the Monarch on the anniversary of the Battle of Blenheim as rent for the land that Blenheim Palace stands on. The palace, park, and gardens are open to the public on payment of an entry fee (maximum