Rockville is a county seat located in the Maryland region of the United States. During the most recent census, Rockville had a population of 61,209. Rockville is the 10th most poplulated city in the Maryland region, the 615th most populated city in the United States and the 5,801st most populated city in the world. Rockville is in the America/New York timezone which is 4 hours behind UTC. Rockville adjusts the hour with daylight savings time during the winter months.
Rockville is located near sea level (137 meters / 449 feet). The closest cities to Rockville are Derwood (3.8 km / 2.3 miles), North Bethesda (5.3 km / 3.3 miles), Redland (6.9 km / 4.3 miles), Aspen Hill (6.9 km / 4.3 miles) and Rossmoor (7.4 km / 4.6 miles)