61256 -- U.S. ZIP code Municipality (1990): HAMPTON, Illinois All ZIPs for this municipality (1990): 61256 Population (2000): 1506 Housing Units (2000): 609 Land area (2000): 1.813727 sq. miles (4.697532 sq. km) Water area (2000): 0.211249 sq. miles (0.547133 sq. km) Total area (2000): 2.024976 sq. miles (5.244665 sq. km) Located within: Illinois (IL) Location: 41.554666 N, 90.409872 W