62463 -- U.S. ZIP code Municipality (1990): STEWARDSON, Illinois All ZIPs for this municipality (1990): 62463 Population (2000): 1420 Housing Units (2000): 605 Land area (2000): 61.457038 sq. miles (159.172991 sq. km) Water area (2000): 0.008070 sq. miles (0.020902 sq. km) Total area (2000): 61.465108 sq. miles (159.193893 sq. km) Located within: Illinois (IL) Location: 39.280700 N, 88.624035 W