Dover is located in Kent County, of which it is the county seat, along US Highway 13. It is situated on the banks of the St Jones River near Dover Air Force Base and the John Dickinson Mansion. Dover is the Delaware state capital. Delaware State University is located here.
The population estimate for July 1, 1998 was 30,369, an increase of 2,739 since 1990.
Dover is part of the Dover, Delaware metro area.