The combined value of land for sale in Indiana's Washington County recently on Land.com was $45 million. This represents almost 3,000 acres of farms and rural real estate for sale in Washington County. Washington County ranks 30th in the state for the total acreage of land currently advertised for sale. There were three properties listed as sold in Washington County through the Land Network Comparable Sales Program. This represented a total value of $992,900. Among cities in Washington County with farms and rural real estate for sale, Salem had the most land for sale. Manufacturing and related services are the largest economic sectors in Washington County. Washington County is one of the ten biggest counties in Indiana (516 square miles). It's located in the South Indiana region of Indiana.