Marion Township is one of nine townships in Decatur County, Indiana, United States. As of the 2020 census, its population was 1,711 (up from 1,638 at 2010) and it contained 674 housing units.
History
Marion Township was organized in 1831.
Geography
According to the 2010 census, the township has a total area of 55.54 square miles (143.8 km2), of which 55.48 square miles (143.7 km2) (or 99.89%) is land and 0.06 square miles (0.16 km2) (or 0.11%) is water.
Cities and towns
- Millhousen
Unincorporated towns
- Slabtown
(This list is based on USGS data and may include former settlements.)
Adjacent townships
- Washington Township (north)
- Salt Creek Township (northeast)
- Jackson Township, Ripley County (southeast)
- Columbia Township, Jennings County (south)
- Sand Creek Township (west)
Major highways
- U.S. Route 421
Cemeteries
The township contains four cemeteries: Antioch, Burks Chapel, Mount Pleasant, and Immaculate Conception Catholic Cemetery.
References
- United States Census Bureau cartographic boundary files
- U.S. Board on Geographic Names
External links




![]()