Washington County is in Tallgrass Prairie Kansas. Of the 105 counties in the Sunflower State, Washington County ranks 30th in terms of size (898 square miles). Recent listings of farms for sale in Kansas's Washington County totals approximately 1,000 acres and a combined market value of almost $2 million. The most common type of land for sale by combined acreage in Washington County is recreational property. The average price of farms for sale in Washington County was $641,000. The county has a rural, farm-based economy. Farms for sale in Washington County hold livestock including cattle, horses, goats, sheep and pig. Browse all Kansas 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 lifestyle needs.