There are 10 US Post Offices in Waushara County serving a total of 30,236 residents equating to 3,024 residents per post office. It's estimated that approximately 48,260 packages are handled across the 10 county post offices annually. Waushara County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 24,496. Its county seat is Wautoma. Waushara County is located in central Wisconsin, about 80 miles (130 km) north of Madison."