There are 7 US Post Offices in Kiowa County serving a total of 9,659 residents equating to 1,380 residents per post office. It's estimated that approximately 15,417 packages are handled across the 7 county post offices annually. Kiowa County is a county located in the southwestern part of the U.S. state of Oklahoma. As of the 2010 census, the population was 9,446. Its county seat is Hobart. The county was created in 1901 as part of Oklahoma Territory. It was named for the Kiowa people."