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is an unincorporated community in Fairfax County, Virginia, United States and is a suburb of Washington, D.C. Within Springfield are three census-designated places (CDPs): Springfield CDP, West Springfield CDP, and North Springfield CDP, plus a substantial portion of Newington CDP. All are officially titled Springfield by the United States Postal Service.
The Springfield CDP is recognized by the U.S. Census Bureau with a population of 30,417 as of the 2000 census.
According to the United States Census Bureau, the CDP has a total area of 9.8 square miles (25.4 km²), of which, 9.8 square miles (25.3 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.31%) 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 U.S. Postal Service, Springfield has four ZIP codes:
The following are total area, water area, and land area statistics (in square miles) for the four Springfield zip codes: