Hanover, IL -- U.S. village in Illinois Population (2000): 836 Housing Units (2000): 441 Land area (2000): 0.592400 sq. miles (1.534309 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.592400 sq. miles (1.534309 sq. km) FIPS code: 32707 Located within: Illinois (IL), FIPS 17 Location: 42.256058 N, 90.280674 W ZIP Codes (1990): 61041 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Hanover, IL Hanover