There are 5 US Post Offices in Coffee County serving a total of 55,942 residents equating to 11,188 residents per post office. It's estimated that approximately 89,290 packages are handled across the 5 county post offices annually. Coffee County is a county located in the south central part of the U.S. state of Tennessee. As of the 2010 census, the county's population was 52,796. Its county seat is Manchester. Coffee County is part of the Tullahoma-Manchester, TN Micropolitan Statistical Area."