61430 -- U.S. ZIP code Population (2000): 718 Housing Units (2000): 310 Land area (2000): 1.428788 sq. miles (3.700543 sq. km) Water area (2000): 0.004859 sq. miles (0.012585 sq. km) Total area (2000): 1.433647 sq. miles (3.713128 sq. km) Located within: Illinois (IL) Location: 40.943990 N, 90.312055 W