61529 -- U.S. ZIP code Municipality (1990): ELMWOOD, Illinois All ZIPs for this municipality (1990): 61529 Population (2000): 2665 Housing Units (2000): 1085 Land area (2000): 62.692505 sq. miles (162.372836 sq. km) Water area (2000): 0.338927 sq. miles (0.877818 sq. km) Total area (2000): 63.031432 sq. miles (163.250654 sq. km) Located within: Illinois (IL) Location: 40.780415 N, 89.955658 W