Washington County is in Southeast Missouri. Of the 115 counties in the Show Me State, Washington County is 20th in terms of its size (762 square miles). Recent listings of farms for sale in Washington County, Missouri, totals about 1,000 acres and a combined market value of about $6 million. The most common type of land for sale by combined acreage in Washington County is house. The average price of farmland for sale in Washington County was $502,365. Farms for sale in Washington County hold livestock including cattle, horses, sheep, goats and pig. Browse all Missouri farms for sale on the Land Network to find the farm, cattle operation, hobby farm or other farm property that's right for your future business or lifestyle needs.