Hornell is a city in Steuben County, New York, USA. The population was 9,019 at the 2000 census. The city is named after the Hornell family, early settlers. Its current population is mainly made up of Irish Americans and Italian Americans. Hornell apartments for rent comparison page shows most up to date rent information on Hornell apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.