11778 -- U.S. ZIP code Municipality (1990): ROCKY POINT, New York All ZIPs for this municipality (1990): 11778 Population (2000): 11514 Housing Units (2000): 4424 Land area (2000): 7.987927 sq. miles (20.688635 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 7.987927 sq. miles (20.688635 sq. km) Located within: New York (NY) Location: 40.954093 N, 72.928843 W