HEMPSTEAD, a village of Nassau county, New York, U.S.A., 5 m. E. of the Brooklyn city limits; served by the Long Island railroad. The population in 193o was i 2,650. It is a residen tial suburb and a summer resort, a trade centre, and has aeroplane and other factories. Mitchel Field, an Air Corps training camp, is near by. The village was incorporated in 1853.