There are 4 US Post Offices in Kemper County serving a total of 9,391 residents equating to 2,348 residents per post office. It's estimated that approximately 14,989 packages are handled across the 4 county post offices annually. Kemper County is a county located in the U.S. state of Mississippi. As of the 2010 census, the population was 10,456. Its county seat is De Kalb. The county is named in honor of Reuben Kemper. The county is part of the Meridian, MS Micropolitan Statistical Area. United States Senator John C. Stennis, who served from 1947 to 1988, was born in Kemper County. Another Kemper County native was Texas Ranger Captain Bill McDonald. East Mississippi Community College is located in Kemper County in the town of Scooba, at the junction of US 45 and Mississippi Highway 16."