Butler County is in Pittsburgh & Countryside Pennsylvania. Of the 67 counties in the Keystone State, Butler County ranks 25th in terms of size (794 square miles). Recent listings of residential land for sale in Pennsylvania's Butler County totals about 1,000 acres and a combined market value of approximately $51 million. By overall acreage, residential property is the most common type of land for sale in Butler County. The average price of residential acreage for sale in Butler County was $609,131. 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.