Sterling is a city located in the Virginia region of the United States. During the most recent census, Sterling had a population of 27,822. Sterling is the 37th most poplulated city in the Virginia region, the 1,570th most populated city in the United States and the 10,827th most populated city in the world. Sterling is in the America/New York timezone which is 4 hours behind UTC. Sterling adjusts the hour with daylight savings time during the winter months.