McLean is a city located in the Virginia region of the United States. During the most recent census, McLean had a population of 48,115. McLean is the 20th most poplulated city in the Virginia region, the 859th most populated city in the United States and the 7,116th most populated city in the world. McLean is in the America/New York timezone which is 4 hours behind UTC. McLean adjusts the hour with daylight savings time during the winter months.