Washington Township is one of fifteen townships in Greene County, Indiana, USA. As of the 2010 census, its population was 1,186.GeographyAccording to the 2010 census, the township has a total area of, of which is land and is water. Lakes in this township include Long Pond. The stream of Fourmile Creek runs through this township.Cities and towns LyonsUnincorporated towns Beehunter Bushrod Ilene Plummer Stalcup Corner(This list is based on USGS data and may include former settlements.)Adjacent townships Fairplay Township (northeast) Richland Township (northeast) Taylor Township (east) Cass Township (southeast) Vigo Township, Knox County (southwest) Stafford Township (west) Grant Township (northwest) Stockton Township (northwest)