Geneva is a city in Ontario County, New York, USA. The population was 13,617 at the 2000 census. Some claim it is named after the city and canton of Geneva in Switzerland. Others believe the name came from confusion over the letters in the word 'Seneca' written in cursive. Geneva apartments for rent comparison page shows most up to date rent information on Geneva apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.