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, South Carolina age 18 and over, there were 82.3 males. The median income for a household in the town was $26,667, and the median income for a family was $40,625. Males had a median income of $28,750 versus $18,750 for females. The per capita income for the town was $17,840. There were 22.6% of families and 15.5% of the population living below the poverty line, including no under eighteens and 44.0% of those over 64. 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