There are 16 US Post Offices in Athens County serving a total of 103,791 residents equating to 6,487 residents per post office. It's estimated that approximately 165,662 packages are handled across the 16 county post offices annually. Athens County is a county located in the southeastern part of the U.S. state of Ohio. As of the 2010 census, the population was 64,757. Its county seat is Athens. The county was formed in 1805 from Washington County. Because the original state university (Ohio University) was founded there in 1804, the town and the county were named for the ancient center of learning, Athens, Greece. The Athens Micropolitan Statistical Area includes all of Athens County."