14305 -- U.S. ZIP code Municipality (1990): NIAGARA FALLS, New York All ZIPs for this municipality (1990): 14301 14303 14304 14305 Population (2000): 20319 Housing Units (2000): 8866 Land area (2000): 8.081236 sq. miles (20.930303 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 8.081236 sq. miles (20.930303 sq. km) Located within: New York (NY) Location: 43.115355 N, 79.037691 W