61471 -- U.S. ZIP code Municipality (1990): RARITAN, Illinois All ZIPs for this municipality (1990): 61471 Population (2000): 142 Housing Units (2000): 65 Land area (2000): 1.207407 sq. miles (3.127170 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.207407 sq. miles (3.127170 sq. km) Located within: Illinois (IL) Location: 40.696535 N, 90.826079 W