  wayne township is a township in armstrong county, pennsylvania, united states. the population was 1,200 at the 2010 census. ==geography== wayne township is located in northeast armstrong county, bordered to the east by indiana county. mahoning creek forms part of its northern border. the township completely surrounds the borough of dayton. according to the united states census bureau, the township has a total area of , of which  is land and , or 0.65%, is water. ==demographics== as of the census{{cite web|u
Populated_places_established_in_1800 Townships_in_Armstrong_County,_Pennsylvania