There are 15 US Post Offices in Orangeburg County serving a total of 78,177 residents equating to 5,212 residents per post office. It's estimated that approximately 124,779 packages are handled across the 15 county post offices annually. Orangeburg County is a county located in the U.S. state of South Carolina. As of the 2010 census, the population was 92,501. Its county seat is Orangeburg. The county was created in 1769. Orangeburg County comprises the Orangeburg, SC Micropolitan Statistical Area, which is also included in the Columbia-Orangeburg-Newberry, SC Combined Statistical Area. It is located in the Midlands region of South Carolina. It is home to Claflin University, a private college located in Orangeburg that is the oldest historically black college or university (HBCU) in the state. It is also the location of South Carolina State University, the only public four-year HBCU in the state."