Saybrook, IL -- U.S. village in Illinois Population (2000): 764 Housing Units (2000): 340 Land area (2000): 0.792253 sq. miles (2.051925 sq. km) Water area (2000): 0.026826 sq. miles (0.069480 sq. km) Total area (2000): 0.819079 sq. miles (2.121405 sq. km) FIPS code: 67912 Located within: Illinois (IL), FIPS 17 Location: 40.427490 N, 88.526536 W ZIP Codes (1990): 61770 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Saybrook, IL Saybrook