There are 5 US Post Offices in Hubbard County serving a total of 18,184 residents equating to 3,637 residents per post office. It's estimated that approximately 29,024 packages are handled across the 5 county post offices annually. Hubbard County is a county located in the U.S. state of Minnesota. As of the 2010 census, the population was 20,428. Its county seat is Park Rapids. The county is named for Lucius Frederick Hubbard, ninth Governor of Minnesota. A portion of the Leech Lake Indian Reservation is in the county."