Jackson Township is one of eleven townships in Clay County, Indiana. As of the 2020 census, its population was 2,839 (up from 2,739 at 2010) and it contained 1,187 housing units.
Jackson Township was established about 1832. It was named for Andrew Jackson, who was then serving as President of the United States.
According to the 2010 census, the township has a total area of , of which (or 98.35%) is land and (or 1.65%) is water.
(This list is based on USGS data and may include former settlements.)
The township contains five cemeteries: Kealber, Neidlinger, Poplar, Wesley Chapel and Zenor.