Rockville is an unincorporated community in Dauphin County, Pennsylvania, United States, at latitude 40.336 and longitude -76.905. The elevation is 328 feet. The community is home to the Rockville Bridge.
Rockville is part of the Harrisburg–Carlisle Metropolitan Statistical Area.
Rockville was laid out in 1838.
Coordinates: 40°20′10″N 76°54′18″W / 40.336°N 76.905°W (Rockville Bridge) Rockville is on the west side of the bridge.