Washington County is in Pittsburgh & Countryside Pennsylvania. Of the 67 counties in the Keystone State, 550,980-acre Washington County ranks 20th by size. A recent survey of Land Network data totals approximately 1,000 acres of farms for sale in Pennsylvania's Washington County, which is valued at a combined $2 million. The average price of farms for sale in Washington County was $602,500. Farms for sale in Washington County hold livestock including horses, cattle, sheep, pig and goats. Browse all Pennsylvania 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.