The value of all farms and rural land for sale in New York's Washington County recently was almost $71 million, representing a combined 4,951 acres of land for sale in Washington County. Washington County ranks 35th in the Empire State for the combined amount of land currently advertised for sale. Among cities in Washington County with farms, rural land, hunting land and other land for sale, Whitehall had the most land for sale. From an economic perspective, government and state-level services contribute most to Washington County's overall GDP. Washington County is the 27th biggest county (845 square miles) in New York. It's located in the Central New York region of the state.