As of the 2010 census, its population was 2,125 and it contained 844 housing units.

[4] Jackson Township was originally built up chiefly by Germans.

[5] According to the 2010 census, the township has a total area of 34.88 square miles (90.3 km2), of which 34.63 square miles (89.7 km2) (or 99.28%) is land and 0.26 square miles (0.67 km2) (or 0.75%) is water.

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

The township contains three cemeteries: Bretzville, Dungan and Main.