New Cassel is a hamlet and census-designated place (CDP) in the Town of North Hempstead in Nassau County, on Long Island, in New York, United States. The population was 14,059 at the 2010 census, representing a net gain of 761 over the 2000 census.
New Cassel is a hamlet and census-designated place (CDP) in the Town of North Hempstead in Nassau County, on Long Island in New York United States. ,The popul,ation was 14,059 at the 2010 census representing ,a net gain of 761 over the 2000 census.