Hyde County, South Dakota
Hyde County is a county in the U.S. state of South Dakota. As of the 2020 census, the population was 1,262, making it the second-least populous county in South Dakota. Its county seat is Highmore. The county was founded in 1873, as a county of the Dakota Territory, and organized in 1883. It was named for James Hyde, a member of legislature in the 1870s.