61039 -- U.S. ZIP code Municipality (1990): GERMAN VALLEY, Illinois All ZIPs for this municipality (1990): 61039 Population (2000): 872 Housing Units (2000): 335 Land area (2000): 28.935333 sq. miles (74.942164 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 28.935333 sq. miles (74.942164 sq. km) Located within: Illinois (IL) Location: 42.213851 N, 89.474490 W