11030 -- U.S. ZIP code Municipality (1990): PLANDOME, New York All ZIPs for this municipality (1990): 11030 Population (2000): 17148 Housing Units (2000): 6053 Land area (2000): 6.565268 sq. miles (17.003965 sq. km) Water area (2000): 0.040303 sq. miles (0.104385 sq. km) Total area (2000): 6.605571 sq. miles (17.108350 sq. km) Located within: New York (NY) Location: 40.796752 N, 73.689358 W