Mason, WI -- U.S. village in Wisconsin Population (2000): 72 Housing Units (2000): 35 Land area (2000): 0.507620 sq. miles (1.314730 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.507620 sq. miles (1.314730 sq. km) FIPS code: 49900 Located within: Wisconsin (WI), FIPS 55 Location: 46.433678 N, 91.062040 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Mason, WI Mason