21030 -- U.S. ZIP code
Municipality (1990): COCKEYSVILLE HUN, Maryland
All ZIPs for this municipality (1990):
21030 21031
Population (2000): 23341
Housing Units (2000): 10948
Land area (2000): 22.724294 sq. miles (58.855648 sq. km)
Water area (2000): 0.024155 sq. miles (0.062562 sq. km)
Total area (2000): 22.748449 sq. miles (58.918210 sq. km)
Located within: Maryland (MD)
Location: 39.477506 N, 76.641141 W