Duncan, NE -- U.S. village in Nebraska Population (2000): 359 Housing Units (2000): 145 Land area (2000): 0.403262 sq. miles (1.044444 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.403262 sq. miles (1.044444 sq. km) FIPS code: 13890 Located within: Nebraska (NE), FIPS 31 Location: 41.389993 N, 97.495171 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Duncan, NE Duncan