There are 7 US Post Offices in Giles County serving a total of 28,664 residents equating to 4,095 residents per post office. It's estimated that approximately 45,751 packages are handled across the 7 county post offices annually. Giles County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 29,485. Its county seat is Pulaski."