Grafton, WI -- U.S. village in Wisconsin Population (2000): 10312 Housing Units (2000): 4165 Land area (2000): 4.040677 sq. miles (10.465304 sq. km) Water area (2000): 0.039243 sq. miles (0.101639 sq. km) Total area (2000): 4.079920 sq. miles (10.566943 sq. km) FIPS code: 30000 Located within: Wisconsin (WI), FIPS 55 Location: 43.317904 N, 87.954113 W ZIP Codes (1990): 53024 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Grafton, WI Grafton