Formed January 8, 1873 (27th county)
Hyde County (1,260), Highmore (676)
The masonry and stone Classical Revival structure was constructed in 1911 at Commercial Avenue, 4th Street, Scobey Avenue, and 5th Street. South Dakota State Highway 47 is one block to the west of the site. The Black Hill Company provided the designs. The facility features columns. An 1886 wooden courthouse was also in Highmore, the only county seat. The county was formed on January 8, 1873 as the 27th county. Hyde County is named for settler, James Hyde. The county seat is reportedly named for the town’s location.
Hyde County government consists of a sheriff and 5 Commissioners. Three Circuit Court Judges and One Magistrate Court Judge serve Hyde, Bennett, Gregory, Haakon, Hughes, Jackson, Jones, Lyman, Mellette, Potter, Stanley, Sully, Todd, and Tripp counties. The county is in central South Dakota. Pierre, South Dakota is west and Sioux Falls, South Dakota is southeast of the county. The Missouri River is on the southwest border of the county. The county center is 1.8 miles Northwest of Highmore. The county is surrounded clockwise by Faulk, Hand, Buffalo, Lyman, Hughes, Sully, and Potter counties.
The area of the county is 861 square miles. It is 35 out of 66 in the state. It ranks 65 out of 66 in population in the state. It has a density of 1.5 persons per square mile making it 60 out of 66 in the state. Hyde County has 53.7% of its population in its incorporated areas. United States Highway 14 crosses the county from east to west from Hand County to Hughes County. The county is an overall tall rectangle. Highmore is located east of center in the county. Highmore is the county seat and the largest city since it is the only incorporated city. It is 53.7% of the county population.
Highmore