Knapp, WI -- U.S. village in Wisconsin Population (2000): 421 Housing Units (2000): 198 Land area (2000): 1.582290 sq. miles (4.098112 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.582290 sq. miles (4.098112 sq. km) FIPS code: 39975 Located within: Wisconsin (WI), FIPS 55 Location: 44.954456 N, 92.080421 W ZIP Codes (1990): 54749 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Knapp, WI Knapp