60643 -- U.S. ZIP code Municipality (1990): CALUMET PARK, Illinois All ZIPs for this municipality (1990): 60643 Population (2000): 52568 Housing Units (2000): 18362 Land area (2000): 6.702046 sq. miles (17.358219 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 6.702046 sq. miles (17.358219 sq. km) Located within: Illinois (IL) Location: 41.696433 N, 87.659939 W