Jefferson Township is one of twelve townships in Dubois County, Indiana.

As of the 2010 census, its population was 1,543 and it contained 683 housing units.

[4] Jefferson Township was created from land given by Hall Township.

[5] According to the 2010 census, the township has a total area of 35.85 square miles (92.9 km2), of which 35.7 square miles (92 km2) (or 99.58%) is land and 0.15 square miles (0.39 km2) (or 0.42%) is water.

[4] The township contains five cemeteries: Cox, Garland, Spencer, Taylor and Waddle.