Allen Township is one of thirteen townships in Noble County, Indiana, United States. As of the 2020 census, its population was 7,029 (down from 7,134 at 2010) and it contained 3,000 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.75%) is land and (or 0.22%) is water.
(This list is based on USGS data and may include former settlements.)
The township contains Saint Marys Cemetery. Information about decedents buried in this cemetery is available through the Indiana Genealogical Society, Fort Wayne, Indiana. The Lisbon Cemetery is accessed via a private drive off West Lisbon Road. Information about decedents buried in this cemetery is available through the Indiana Genealogical Society, Fort Wayne, Indiana.