Greene County is in Pittsburgh & Countryside Pennsylvania. Of the 67 counties in the Keystone State, Greene County ranks 39th in terms of size (577 square miles). The total value of 1,000 acres of residential land and property recently listed for sale in Greene County, Pennsylvania, was approximately $7 million. The average price of residential acreage for sale in Greene County was $385,829. Browse all residential land and rural property for sale in Pennsylvania to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.