There are 2 US Post Offices in Perry County serving a total of 9,530 residents equating to 4,765 residents per post office. It's estimated that approximately 15,211 packages are handled across the 2 county post offices annually. Perry County is a county of the U.S. state of Alabama. As of the 2010 census, the population was 10,591. Its county seat is Marion. The county was established in 1819 and is named in honor of Commodore Oliver Hazard Perry of Rhode Island and the United States Navy."