Mount Pleasant is a suburban town in the metropolitan area of Charleston, South Carolina, located in Charleston County. It is the fifth largest city in South Carolina. As of 2006, the town had an estimated population of 59,113. As defined by the U.S. Census Bureau, Mount Pleasant is included within the Charleston-North Charleston Urbanized Area and the Charleston-North Charleston Metropolitan Statistical Area. It is the 3rd largest city in this metro behind Charleston and North Charleston. Mount Pleasant apartments for rent comparison page shows most up to date rent information on Mount Pleasant apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.