11545 -- U.S. ZIP code Municipality (1990): GLEN HEAD, New York All ZIPs for this municipality (1990): 11545 Population (2000): 12073 Housing Units (2000): 4202 Land area (2000): 14.220776 sq. miles (36.831640 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 14.220776 sq. miles (36.831640 sq. km) Located within: New York (NY) Location: 40.823957 N, 73.604151 W