The value of all farms and rural land for sale in Seneca County, New York, recently was almost $34 million, representing a combined 788 acres of land for sale in Seneca County. Seneca County ranks 53rd out of 62 counties in the state for the combined amount of land currently advertised for sale. Among cities in Seneca County with farms, hunting land and other rural land and acreage for sale, Seneca Falls had the most land for sale. From an economic perspective, government and state-level services contribute most to Seneca County's overall GDP. Seneca County is the 52nd biggest county (390 square miles) in New York. It's located in the Western New York region of New York.