11558 -- U.S. ZIP code Municipality (1990): ISLAND PARK, New York All ZIPs for this municipality (1990): 11558 Population (2000): 8553 Housing Units (2000): 3094 Land area (2000): 2.230788 sq. miles (5.777715 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.230788 sq. miles (5.777715 sq. km) Located within: New York (NY) Location: 40.603159 N, 73.655159 W