There are 2 US Post Offices in Morgan County serving a total of 14,333 residents equating to 7,167 residents per post office. It's estimated that approximately 22,877 packages are handled across the 2 county post offices annually. Morgan County is a county located in the U.S. state of West Virginia. As of the 2010 census, the population was 17,541. Its county seat is Berkeley Springs. The county was formed in 1820 from parts of Hampshire and Berkeley Counties and named in honor of General Daniel Morgan, prominent soldier of the American Revolutionary War. Morgan County is the home of an important mine producing special sand for the glass industry."