Hicksville is a hamlet and census-designated place in Nassau County, New York, United States. The population was 41,260 at the 2000 census. Hicksville may well have been named after Elias Hicks the great Quaker preacher whose daughter married her cousin, Valentine Hicks. Others hold Hicksville was named after Valentine Hicks, the second president of the Long Island Rail Road. Hicksville was once home to potato farms and pickle works. Hicksville apartments for rent comparison page shows most up to date rent information on Hicksville apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.