Washington County ranks 102nd out of 105 counties in Kansas for the total acreage of land currently advertised for sale. There were two properties listed as sold in Washington County through the Land Network Comparable Sales Program. This represented a total value of $1,700,000. Morrowville had the most land for sale. Agriculture and farming drives the Washington County economy, with 732 farms recorded in the county during the U.S. Census in 2012. Farming activities in Washington County generate annual revenues of $10 million, most of which is from crops. Washington County is Kansas's 30th biggest county (898 square miles). It's located in the Tallgrass Prairie Kansas region of the state.