Troy is a city in New York, USA, and the county seat of Rensselaer County. As of the 2000 census, the population was 49,170; in 1910, the population was 76,813. The city's motto is Ilium fuit, Troja est, which means 'Troy was, Troy is.' Troy apartments for rent comparison page shows most up to date rent information on Troy apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.