Jefferson Township is one of nine townships in Wells County, Indiana, United States. As of the 2020 census, its population was 5,841 (up from 5,762 at 2010) and it contained 2,450 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.68%) is land and (or 0.32%) is water.
(This list is based on USGS data and may include former settlements.)
The township contains these three cemeteries: El Honan, Oak Lawn and Prairie View.