61547 -- U.S. ZIP code Municipality (1990): MAPLETON, Illinois All ZIPs for this municipality (1990): 61547 Population (2000): 3412 Housing Units (2000): 1250 Land area (2000): 22.901894 sq. miles (59.315631 sq. km) Water area (2000): 0.367788 sq. miles (0.952567 sq. km) Total area (2000): 23.269682 sq. miles (60.268198 sq. km) Located within: Illinois (IL) Location: 40.619174 N, 89.726282 W