24179 -- U.S. ZIP code Municipality (1990): STEWARTSVILLE, Virginia All ZIPs for this municipality (1990): 24179 Population (2000): 17622 Housing Units (2000): 7538 Land area (2000): 46.120342 sq. miles (119.451132 sq. km) Water area (2000): 0.411464 sq. miles (1.065687 sq. km) Total area (2000): 46.531806 sq. miles (120.516819 sq. km) Located within: Virginia (VA) Location: 37.276218 N, 79.852404 W