Manhasset is a hamlet and census-designated place in Nassau County, New York, on the North Shore of Long Island. As of the 2010 United States Census, the population was 8,080. As with other unincorporated communities in New York, its local affairs are administered by the town in which it is located, the Town of North Hempstead, New York, whose town hall is in Manhasset, making the hamlet the town seat. "Manhasset" is an anglicized Native American... Show more

source