Bannockburn, IL -- U.S. village in Illinois Population (2000): 1429 Housing Units (2000): 259 Land area (2000): 2.023889 sq. miles (5.241847 sq. km) Water area (2000): 0.007509 sq. miles (0.019449 sq. km) Total area (2000): 2.031398 sq. miles (5.261296 sq. km) FIPS code: 03610 Located within: Illinois (IL), FIPS 17 Location: 42.191507 N, 87.863113 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Bannockburn, IL Bannockburn