Duenweg, MO -- U.S. city in Missouri Population (2000): 1034 Housing Units (2000): 458 Land area (2000): 0.530327 sq. miles (1.373540 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.530327 sq. miles (1.373540 sq. km) FIPS code: 20314 Located within: Missouri (MO), FIPS 29 Location: 37.079035 N, 94.411881 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Duenweg, MO Duenweg