61233 -- U.S. ZIP code Population (2000): 524 Housing Units (2000): 199 Land area (2000): 0.713069 sq. miles (1.846839 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.713069 sq. miles (1.846839 sq. km) Located within: Illinois (IL) Location: 41.292977 N, 90.293349 W