| Marion County South Carolina Cities/Towns - Centenary, Brittons Neck, Marion (County Seat), Mullins, Nichols |
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Your Ad Here Marion County is a county located in the U.S. state of South Carolina. The 2005 Census estimate placed the population at 34,904. Its county seat is Marion. History It is named for Francis Marion, a South Carolina native who served as a brigadier general in the Continental Army during the American Revolutionary War. ![]() |