62888 -- U.S. ZIP code Municipality (1990): TAMAROA, Illinois All ZIPs for this municipality (1990): 62888 Population (2000): 2163 Housing Units (2000): 929 Land area (2000): 73.937855 sq. miles (191.498157 sq. km) Water area (2000): 0.089023 sq. miles (0.230568 sq. km) Total area (2000): 74.026878 sq. miles (191.728725 sq. km) Located within: Illinois (IL) Location: 38.127516 N, 89.229268 W