Rapid City is a city on Earth, located in the state of South Dakota, which is part of the United States of America. The city is located near the Mount Rushmore National Memorial.

In the Ancient West holodeck Program, Sheriff Worf asked about the disposition of Eli Hollander. The Deputy Alexander explained that the U.S. Marshal from Rapid City would be coming to Deadwood to take Eli Hollander into custody pending a trial. (TNG episode A Fistful of Datas)