Washington Township is one of eleven townships in Randolph County, Indiana. As of the 2020 census, its population was 1,906 (down from 2,172 at 2010) and it contained 896 housing units.
Washington Township was established in 1831.
According to the 2010 census, the township has a total area of , of which (or 99.84%) is land and (or 0.16%) is water.
(This list is based on USGS data and may include former settlements.)