Oregon Township is one of nine townships in Starke County, Indiana. As of the 2020 census, its population was 3,220 (down from 3,367 at 2010) and it contained 1,658 housing units.
According to the 2010 census, the township has a total area of , of which (or 98.70%) is land and (or 1.30%) is water.
(This list is based on USGS data and may include former settlements.)
The township contains Fletcher Cemetery.