Hempstead Lake State Park is a 737-acre (2.98 km2) state park located in Nassau County, New York in the United States. The park is located in West Hempstead and is one of three state parks within the Town of Hempstead. There is a quick-access entrance at exit 18 from the Southern State Parkway. The park contains the largest freshwater lake in Nassau County.

West 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. The population was 19,835 at the time of the 2020 census. It is an unincorporated area in the Town of Hempstead and is represented by Councilman Edward Ambrosino.