Pecatonica, IL -- U.S. village in Illinois Population (2000): 1997 Housing Units (2000): 827 Land area (2000): 1.242504 sq. miles (3.218071 sq. km) Water area (2000): 0.018413 sq. miles (0.047689 sq. km) Total area (2000): 1.260917 sq. miles (3.265760 sq. km) FIPS code: 58408 Located within: Illinois (IL), FIPS 17 Location: 42.309955 N, 89.358647 W ZIP Codes (1990): 61063 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Pecatonica, IL Pecatonica