61273 -- U.S. ZIP code Municipality (1990): ORION, Illinois All ZIPs for this municipality (1990): 61273 Population (2000): 3163 Housing Units (2000): 1238 Land area (2000): 46.682126 sq. miles (120.906147 sq. km) Water area (2000): 0.017200 sq. miles (0.044547 sq. km) Total area (2000): 46.699326 sq. miles (120.950694 sq. km) Located within: Illinois (IL) Location: 41.357236 N, 90.384821 W