Jackson Township is one of fourteen townships in Morgan County, Indiana, United States.

As of the 2010 census, its population was 3,439 and it contained 1,437 housing units.

[2] The Cedar Point Farm, Elm Spring Farm, and Lamb's Creek Bridge are listed on the National Register of Historic Places.

[3] According to the 2010 census, the township has a total area of 35.92 square miles (93.0 km2), of which 35.5 square miles (92 km2) (or 98.83%) is land and 0.42 square miles (1.1 km2) (or 1.17%) is water.

[2] The township contains these three cemeteries: Gerholt, Nast Chapel and Williams.