Jefferson Township is one of thirteen townships in Noble County, Indiana, United States.

As of the 2020 census, its population was 1,551 (down from 1,604 at 2010[3]) and it contained 653 housing units.

According to the 2010 census, the township has a total area of 33.67 square miles (87.2 km2), of which 33.37 square miles (86.4 km2) (or 99.11%) is land and 0.3 square miles (0.78 km2) (or 0.89%) is water.

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