11717 -- U.S. ZIP code Municipality (1990): WEST BRENTWOOD, New York All ZIPs for this municipality (1990): 11717 Population (2000): 51485 Housing Units (2000): 12519 Land area (2000): 10.850753 sq. miles (28.103321 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 10.850753 sq. miles (28.103321 sq. km) Located within: New York (NY) Location: 40.783954 N, 73.245176 W