Washington County is in Southeast Missouri. Of the 115 counties in the Show Me State, 762-square-mile Washington County ranks 20th by size. Washington County, Missouri, includes almost 2,000 acres of farms for sale based on recent Land Network data. The combined market value of land for sale here was roughly $6 million. The average price of farms for sale in Washington County was $701,390. Farms for sale in Washington County sustain 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 commercial or individual needs.