20332 -- U.S. ZIP code Population (2000): 631 Housing Units (2000): 210 Land area (2000): 0.107870 sq. miles (0.279383 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.107870 sq. miles (0.279383 sq. km) Located within: District of Columbia (DC) Location: 38.829932 N, 77.017609 W