There are 8 US Post Offices in Bay County serving a total of 116,302 residents equating to 14,538 residents per post office. It's estimated that approximately 185,631 packages are handled across the 8 county post offices annually. Bay County is a county in the U.S. state of Florida. As of the 2010 census, the population was 168,852. Its county seat is Panama City. Bay County is included in the Panama City, Florida Metropolitan Statistical Area. The county is best known for its white sand beaches and emerald green water, where large pods of dolphins swim year-round. These beaches attract hundreds of thousands of visitors from all over the world each year."