There are 4 US Post Offices in Dixie County serving a total of 15,805 residents equating to 3,951 residents per post office. It's estimated that approximately 25,227 packages are handled across the 4 county post offices annually. Dixie County is a county located in the U.S. state of Florida. As of the 2010 census, the population was 16,422. Its county seat is Cross City."