11704 -- U.S. ZIP code Municipality (1990): WEST BABYLON, New York All ZIPs for this municipality (1990): 11704 Population (2000): 40114 Housing Units (2000): 13408 Land area (2000): 7.694686 sq. miles (19.929145 sq. km) Water area (2000): 0.033624 sq. miles (0.087087 sq. km) Total area (2000): 7.728310 sq. miles (20.016232 sq. km) Located within: New York (NY) Location: 40.719249 N, 73.358298 W