62914 -- U.S. ZIP code Municipality (1990): CAIRO, Illinois All ZIPs for this municipality (1990): 62914 Population (2000): 4044 Housing Units (2000): 2122 Land area (2000): 24.906698 sq. miles (64.508049 sq. km) Water area (2000): 0.313314 sq. miles (0.811480 sq. km) Total area (2000): 25.220012 sq. miles (65.319529 sq. km) Located within: Illinois (IL) Location: 37.025325 N, 89.189745 W