Batavia, IL -- U.S. city in Illinois Population (2000): 23866 Housing Units (2000): 8806 Land area (2000): 9.045794 sq. miles (23.428497 sq. km) Water area (2000): 0.140369 sq. miles (0.363554 sq. km) Total area (2000): 9.186163 sq. miles (23.792051 sq. km) FIPS code: 04078 Located within: Illinois (IL), FIPS 17 Location: 41.846562 N, 88.308441 W ZIP Codes (1990): 60510 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Batavia, IL Batavia