Trout Valley, IL -- U.S. village in Illinois Population (2000): 599 Housing Units (2000): 200 Land area (2000): 0.427960 sq. miles (1.108410 sq. km) Water area (2000): 0.000938 sq. miles (0.002430 sq. km) Total area (2000): 0.428898 sq. miles (1.110840 sq. km) FIPS code: 76160 Located within: Illinois (IL), FIPS 17 Location: 42.199265 N, 88.253357 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Trout Valley, IL Trout Valley