As of the 2020 census, its population was 1,207 (up from 1,173 at 2010[4] The township was named for President Andrew Jackson.

[6] According to the 2010 census, the township has a total area of 43.45 square miles (112.5 km2), all land.

The unincorporated towns of Cyclone and Manson sit on its eastern and western borders, respectively.

A CSX rail line (originally laid down by the Terre Haute, Indianapolis and Eastern Railroad) runs south from Frankfort through the middle of the township.

(This list is based on USGS data and may include former settlements.)