Grand River township
- County:
- Decatur County
- County Seat:
- No
- Area (mi²):
- 35.501
- State:
- Iowa
Grand River township is located in Decatur County, Iowa Iowa. Unfortunately, the data for this location is currently limited or unavailable.
The median age in Grand River township is 51.9 years: 53.9 years for males, and 47.5 years for females. For every 100 females there are 112.5 males.