The Town of Hempstead is the largest of the three towns in Nassau County (alongside North Hempstead and Oyster Bay) on Long Island, in New York, United States. The town's combined population was 793,409 at the 2020 census. It occupies the southwestern part of the county, on the western half of Long Island. Twenty-two incorporated villages (one of which is named Hempstead) are completely or partially within the town. Hofstra University's campus is located in Hempstead.