61610 -- U.S. ZIP code Population (2000): 5041 Housing Units (2000): 2320 Land area (2000): 3.859518 sq. miles (9.996105 sq. km) Water area (2000): 0.000298 sq. miles (0.000771 sq. km) Total area (2000): 3.859816 sq. miles (9.996876 sq. km) Located within: Illinois (IL) Location: 40.643846 N, 89.599082 W