Columbus, WI -- U.S. city in Wisconsin Population (2000): 4479 Housing Units (2000): 1927 Land area (2000): 3.989384 sq. miles (10.332457 sq. km) Water area (2000): 0.007366 sq. miles (0.019079 sq. km) Total area (2000): 3.996750 sq. miles (10.351536 sq. km) FIPS code: 16450 Located within: Wisconsin (WI), FIPS 55 Location: 43.337366 N, 89.022753 W ZIP Codes (1990): 53925 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Columbus, WI Columbus