Horicon, WI -- U.S. city in Wisconsin Population (2000): 3775 Housing Units (2000): 1584 Land area (2000): 3.350189 sq. miles (8.676949 sq. km) Water area (2000): 0.039269 sq. miles (0.101706 sq. km) Total area (2000): 3.389458 sq. miles (8.778655 sq. km) FIPS code: 35750 Located within: Wisconsin (WI), FIPS 55 Location: 43.448292 N, 88.632389 W ZIP Codes (1990): 53032 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Horicon, WI Horicon