Springfield is a census-designated place (CDP) in Fairfax County, Virginia, United States. The Springfield CDP is recognized by the U.S. Census Bureau with a population of 30,484 as of the 2010 census. Homes and businesses in bordering CDPs including North Springfield, West Springfield, and Newington are usually given a Springfield mailing address. The population of the collective areas with Springfield addresses is estimated to exceed 100,000. The CDP is a part of Northern Virginia, the most populous region of the Washington Metropolitan Area.
Springfield is located at 38°46′45″N 77°11′4″W (38.779238, −77.184636).
According to the United States Census Bureau, the CDP has a total area of 7.9 square miles (20.4 km2), of which, 7.9 square miles (20.3 km2) of it is land and 0.04 square miles (0.1 km2) of it (0.49%) is water.
The area is dominated by the interchange of I-95, I-395, and the Capital Beltway (I-495), known as the Springfield Interchange. The center of the town is at the intersection of Route 644 (Old Keene Mill Road / Franconia Road) and Route 617 (Backlick Road) adjacent to the interchange. A significant commercial district exists around the interchange area, but the rest of the community is primarily residential in character.
According to the U.S. Postal Service, Springfield collectively has four ZIP codes:
The following are total area, water area, and land area statistics (in square miles) for the four Springfield zip codes:
A saw and grist mill was constructed in the vicinity of what is today Springfield between 1796 and 1800.