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) and it contained 325 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.94%) is land and (or 0.09%) is water.
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.