Newton Township is one of thirteen townships in Jasper County, Indiana, United States.

As of the 2020 census, its population was 825 (up from 811 at 2010[2]) and it contained 325 housing units.

According to the 2010 census, the township has a total area of 34.37 square miles (89.0 km2), of which 34.35 square miles (89.0 km2) (or 99.94%) is land and 0.03 square miles (0.078 km2) (or 0.09%) is water.

[2] The township contains three cemeteries: Burr Oak, Memory Gardens, bluegrass and Old Settlers.

Newton Township residents are eligible to obtain a free library card from the Jasper County Public Library.