10502 -- U.S. ZIP code Municipality (1990): ARDSLEY, New York All ZIPs for this municipality (1990): 10502 Population (2000): 4935 Housing Units (2000): 1655 Land area (2000): 1.564821 sq. miles (4.052868 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 1.564821 sq. miles (4.052868 sq. km) Located within: New York (NY) Location: 41.011324 N, 73.841521 W