A combined around 10,000 acres were listed for sale in Lackawanna County recently; the overall value of all Lackawanna County land and rural real estate for sale was nearly $145 million. Based on the combined acreage of land and rural property for sale here, Lackawanna County has the most land for sale of all counties in Pennsylvania. Of all farms, rural land, hunting land and other land for sale in Lackawanna County, Archbald had the most land for sale. Lackawanna County is Pennsylvania's 49th largest county (464 square miles). It's located in the Northeast Mountains Pennsylvania region of the state.