Koonsville is a former town that is now a section of Union Township, Luzerne County, Pennsylvania. It is approximately one mile outside Shickshinny along Route 239 and McKendree Road. Its elevation is approximately 616 feet (188 m). Upon the establishment of the post office in 1850 the area was renamed and incorporated as Koonsville after William Koons, who was the first postmaster. The post office was decommissioned at the beginning of World War II, and Koonsville is now serviced by the Shickshinny post office.