Clayton, WI -- U.S. village in Wisconsin Population (2000): 507 Housing Units (2000): 208 Land area (2000): 3.118664 sq. miles (8.077303 sq. km) Water area (2000): 0.120582 sq. miles (0.312305 sq. km) Total area (2000): 3.239246 sq. miles (8.389608 sq. km) FIPS code: 15100 Located within: Wisconsin (WI), FIPS 55 Location: 45.326659 N, 92.172985 W ZIP Codes (1990): 54004 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Clayton, WI Clayton