Sparta, WI -- U.S. city in Wisconsin Population (2000): 8648 Housing Units (2000): 3733 Land area (2000): 5.465749 sq. miles (14.156224 sq. km) Water area (2000): 0.058371 sq. miles (0.151181 sq. km) Total area (2000): 5.524120 sq. miles (14.307405 sq. km) FIPS code: 75325 Located within: Wisconsin (WI), FIPS 55 Location: 43.943061 N, 90.811818 W ZIP Codes (1990): 54656 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Sparta, WI Sparta