The total value of ranches, farms, hunting land and other rural land and acreage for sale in Washington County recently on Land.com was almost $3 million. This represents around 1,000 acres of farms, ranches, and rural real estate for sale in Washington County. Washington County ranks 102nd out of 105 counties in the Wheat State for the total number of acres of land currently advertised for sale. Of all land and rural real estate for sale in Washington County, Washington featured the most land for sale. Washington County has a large agricultural economy, with 732 farms recorded in the county during the latest U.S. Census. Farming activities in Washington County generate annual revenues of $10 million, most of which is from crops. Washington County is Kansas's 30th largest county (898 square miles). It's located in the Tallgrass Prairie Kansas region of Kansas.