10530 -- U.S. ZIP code Municipality (1990): HARTSDALE, New York All ZIPs for this municipality (1990): 10530 Population (2000): 12453 Housing Units (2000): 5870 Land area (2000): 3.185040 sq. miles (8.249215 sq. km) Water area (2000): 0.011373 sq. miles (0.029457 sq. km) Total area (2000): 3.196413 sq. miles (8.278672 sq. km) Located within: New York (NY) Location: 41.025114 N, 73.806353 W