Newville Township is one of fifteen townships in DeKalb County, Indiana.

As of the 2010 census, its population was 558 and it contained 196 housing units.

[4] According to the 2010 census, the township has a total area of 13.79 square miles (35.7 km2), of which 13.77 square miles (35.7 km2) (or 99.85%) is land and 0.02 square miles (0.052 km2) (or 0.15%) is water.

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

The township contains two cemeteries: Evergreen and Riverside.