The overall value of farmsand rural real estate for sale in New York's Delaware County recently on Land.com was almost $159 million. This represents around 10,000 acres of farms and rural real estate for sale in Delaware County. Delaware County ranks 12th in New York for the combined amount of land currently advertised for sale. Among cities in Delaware County with farms and rural real estate for sale, Hancock featured the most land for sale. From an economic perspective, manufacturing and related services are the main sectors in Delaware County. Delaware County is one of the ten largest counties in New York (1,467 square miles). It's located in the Southern New York region of New York.