Fairfax is a county seat located in the Virginia region of the United States. During the most recent census, Fairfax had a population of 22,565. Fairfax is the 51st most poplulated city in the Virginia region, the 1,977th most populated city in the United States and the 12,615th most populated city in the world. Fairfax is in the America/New York timezone which is 4 hours behind UTC. Fairfax adjusts the hour with daylight savings time during the winter months.
Fairfax is located near sea level (131 meters / 430 feet). The closest cities to Fairfax are Oakton (3.9 km / 2.4 miles), Mantua (4.2 km / 2.6 miles), Fairfax Station (5.3 km / 3.3 miles), Burke (6.6 km / 4.1 miles) and Kings Park (7.1 km / 4.4 miles)