Butler County is in Pittsburgh & Countryside Pennsylvania. Of the 67 counties in the Keystone State, Butler County is 25th in terms of its size (508,641 acres). Recent listings of residential land and property for sale in Butler County, Pennsylvania, totals approximately 1,000 acres and a combined market value of about $50 million. The most common type of land for sale by combined acreage in Butler County is residential property. The average price of residential land for sale in Butler County was $620,823. 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.