Black Hawk (sometimes Blackhawk) is an unincorporated census-designated place (CDP) in Meade County, South Dakota, United States. The population was 2,892 at the 2010 census. Black Hawk has been assigned the ZIP code of 57718. Located along Interstate 90, Black Hawk is part of the Rapid City metropolitan area.
Black Hawk was platted in 1887. It took its name from a nearby creek which was named for Black Hawk, a Sauk chief. In May 2020, Black Hawk experienced a large sinkhole into an abandoned gypson mine which displaced some twelve families.
Black Hawk is located at 44°9′6″N 103°18′41″W (44.151575, -103.311420).
According to the United States Census Bureau, the CDP has a total area of 2.2 square miles (5.7 km2), all land. Black Hawk is located north of Box Elder Creek, west of Interstate 90, south of the City of Summerset, and east of the Black Hills National Forest.
At the 2000 census there were 2,432 people in 847 households, including 665 families, in the CDP. The population density was 1,119.8 people per square mile (432.7/km2). There were 871 housing units at an average density of 401.1 per square mile (155.0/km2).