61441 -- U.S. ZIP code Municipality (1990): IPAVA, Illinois All ZIPs for this municipality (1990): 61441 Population (2000): 1007 Housing Units (2000): 458 Land area (2000): 71.462894 sq. miles (185.088037 sq. km) Water area (2000): 0.008109 sq. miles (0.021002 sq. km) Total area (2000): 71.471003 sq. miles (185.109039 sq. km) Located within: Illinois (IL) Location: 40.337555 N, 90.304587 W