Hyde County is a county located in the state of South Dakota. Based on the 2010 census, the population was 1,420, making it the fourth-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
Etymology - Origin of Hyde County Name
Hyde is named for territorial legislator James Hyde.
The present boundaries of Hyde County were fixed by Chapter 21, laws of 1883. For recording purposes Hyde County was
attached to Hughes County. Following the usual tug-of-war over the county seat location, a compromise was reached and
the county seat permanently located at Highmore in 1884. The name of Hyde County came from James Hyde of Vermillion, who
was a member of the territorial legislature when the county was created in 1873.
Geography: Land and Water
As reported by the Census Bureau, the county has a total area of 867 square miles (2,244 km2), of which, 861
square miles (2,230 km2) of it is land and 6 square miles (15 km2) of it (0.65%) is water.