61484 -- U.S. ZIP code Municipality (1990): VERMONT, Illinois All ZIPs for this municipality (1990): 61484 Population (2000): 965 Housing Units (2000): 421 Land area (2000): 39.859833 sq. miles (103.236489 sq. km) Water area (2000): 0.177250 sq. miles (0.459076 sq. km) Total area (2000): 40.037083 sq. miles (103.695565 sq. km) Located within: Illinois (IL) Location: 40.292388 N, 90.428337 W