There are 3 US Post Offices in Meigs County serving a total of 15,918 residents equating to 5,306 residents per post office. It's estimated that approximately 25,407 packages are handled across the 3 county post offices annually. Meigs County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 11,753. Its county seat is Decatur."