Washington Township, Rush County, Indiana
Washington Township is one of twelve townships in Rush County, Indiana. As of the 2010 census, its population was 475 and it contained 201 housing units. History. The Hall-Crull Octagonal House was listed on the National Register of Historic Places in 1984. Geography. According to the 2010 census, the township has a total area of , all land. (This list is based on USGS data and may include former settlements.)