12783 -- U.S. ZIP code Municipality (1990): SWAN LAKE, New York All ZIPs for this municipality (1990): 12783 Population (2000): 2169 Housing Units (2000): 1376 Land area (2000): 38.141267 sq. miles (98.785423 sq. km) Water area (2000): 0.734764 sq. miles (1.903029 sq. km) Total area (2000): 38.876031 sq. miles (100.688452 sq. km) Located within: New York (NY) Location: 41.736523 N, 74.826349 W