
Rush River township
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 36.421
- State:
- North Dakota
Rush River township is located in Cass County, North Dakota. Rush River township has a 2025 population of 87. Rush River township is currently declining at a rate of 0% annually and its population has decreased by -1.14% since the most recent census, which recorded a population of 88 in 2020.
The average household income in Rush River township is $62,744 with a poverty rate of 23.88%. The median age in Rush River township is 57.8 years: 58.9 years for males, and 55.7 years for females.