There are 9 US Post Offices in White County serving a total of 27,144 residents equating to 3,016 residents per post office. It's estimated that approximately 43,325 packages are handled across the 9 county post offices annually. White County is a county located in the U.S. state of Indiana. As of the 2010 census, the population was 24,643. The county seat is Monticello."