There are 25 US Post Offices in Yavapai County serving a total of 200,549 residents equating to 8,022 residents per post office. It's estimated that approximately 320,099 packages are handled across the 25 county post offices annually. Yavapai County is located near the center of the U.S. state of Arizona. As of the 2010 census, its population was 211,073. The county seat is Prescott. Yavapai County comprises the Prescott, AZ Metropolitan Statistical Area."