Lannon, WI -- U.S. village in Wisconsin Population (2000): 1009 Housing Units (2000): 434 Land area (2000): 2.442844 sq. miles (6.326936 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.442844 sq. miles (6.326936 sq. km) FIPS code: 42450 Located within: Wisconsin (WI), FIPS 55 Location: 43.150288 N, 88.164568 W ZIP Codes (1990): 53046 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Lannon, WI Lannon