There are 4 US Post Offices in Burnett County serving a total of 13,743 residents equating to 3,436 residents per post office. It's estimated that approximately 21,935 packages are handled across the 4 county post offices annually. Burnett County is a county located in the U.S. state of Wisconsin. As of the 2010 census, the population was 15,457. Its county seat is Meenon with the majority of county governmental services located at the Burnett County Government Center. The county was created in 1856 and organized in 1865.