There are 5 US Post Offices in Coffee County serving a total of 31,169 residents equating to 6,234 residents per post office. It's estimated that approximately 49,749 packages are handled across the 5 county post offices annually. Coffee County is a county located in the U.S. state of Georgia. As of the 2010 census, the population was 42,356. The county seat is Douglas. Coffee County comprises the Douglas, GA Micropolitan Statistical Area."