61313 -- U.S. ZIP code Municipality (1990): BLACKSTONE, Illinois All ZIPs for this municipality (1990): 61313 Population (2000): 316 Housing Units (2000): 132 Land area (2000): 44.936258 sq. miles (116.384368 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 44.936258 sq. miles (116.384368 sq. km) Located within: Illinois (IL) Location: 41.064946 N, 88.668365 W