There are 6 US Post Offices in Morgan County serving a total of 18,974 residents equating to 3,162 residents per post office. It's estimated that approximately 30,285 packages are handled across the 6 county post offices annually. Morgan County is a county located in the central portion of the U.S. state of Missouri. As of the 2010 census, the population was 20,565. Its county seat is Versailles. The county was organized January 5, 1833 and named for General Daniel Morgan of the American Revolutionary War."