Jefferson County is in Great Lakes & Wilds Pennsylvania. Of the 67 counties in the Keystone State, Jefferson County is 35th in terms of its size (656 square miles). A recent survey of Land Network data totals almost 1,000 acres of farms for sale in Pennsylvania's Jefferson County, which is valued at a combined $1 million. The average price of farmland for sale in Jefferson County was $283,000. Farms for sale in Jefferson County feature livestock including horses, cattle, pig, sheep 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 lifestyle needs.