62561 -- U.S. ZIP code Municipality (1990): SPAULDING, Illinois All ZIPs for this municipality (1990): 62561 Population (2000): 4750 Housing Units (2000): 1922 Land area (2000): 25.026974 sq. miles (64.819563 sq. km) Water area (2000): 0.098944 sq. miles (0.256263 sq. km) Total area (2000): 25.125918 sq. miles (65.075826 sq. km) Located within: Illinois (IL) Location: 39.859730 N, 89.529729 W