61451 -- U.S. ZIP code Municipality (1990): LAURA, Illinois All ZIPs for this municipality (1990): 61451 Population (2000): 383 Housing Units (2000): 146 Land area (2000): 22.326141 sq. miles (57.824436 sq. km) Water area (2000): 0.105568 sq. miles (0.273420 sq. km) Total area (2000): 22.431709 sq. miles (58.097856 sq. km) Located within: Illinois (IL) Location: 40.953365 N, 89.942599 W