Jackson Township is one of fourteen townships in Shelby County, Indiana. As of the 2010 census, its population was 1,844 and it contained 738 housing units.
Jackson Township was established in 1840.
St. George Lutheran Church was listed on the National Register of Historic Places in 1984.
According to the 2010 census, the township has a total area of , of which (or 99.45%) is land and (or 0.53%) is water.