60523 -- U.S. ZIP code Population (2000): 10231 Housing Units (2000): 4078 Land area (2000): 8.475513 sq. miles (21.951477 sq. km) Water area (2000): 0.101455 sq. miles (0.262767 sq. km) Total area (2000): 8.576968 sq. miles (22.214244 sq. km) Located within: Illinois (IL) Location: 41.837716 N, 87.960410 W