History:  This township was erected from portions of Mahoning, Neshannock and Taylor Townships in, 1859. It contains a little over nine square miles or about 6,000 acres, and is the second smallest township in the county. It is bounded on the north by Mahoning Township and the Shenango River, on the South by Taylor Township and the Mahoning River, on the east by the Shenango River, and on the west by Mahoning Township and the Mahoning River.

Population:  5,190 at the 2010 census                                                                                                                                                                                                                              Area:  9.7 square miles

Location of Union Township in Lawrence County