South Hempstead is a hamlet and census-designated place (CDP) in the Town of Hempstead in Nassau County, on Long Island, in New York, United States.

[3] According to the United States Census Bureau, the CDP has a total area of 0.6 square miles (1.6 km2), all land.

[4] As of the census[6] of 2000, there were 3,188 people, 1,044 households, and 842 families residing in the CDP.

There were 1,075 housing units at an average density of 1,834.7 per square mile (708.4/km2).

15.5% of all households were made up of individuals, and 8.0% had someone living alone who was 65 years of age or older.