There are 5 US Post Offices in Edwards County serving a total of 7,975 residents equating to 1,595 residents per post office. It's estimated that approximately 12,729 packages are handled across the 5 county post offices annually. Edwards County is a county located in the U.S. state of Illinois. As of the 2010 census, the population was 6,721. Its county seat is Albion. It is located in the southern portion known locally as \"Little Egypt\"."