Barnes township
- County:
- Cass County
- County Seat:
- No
- Area (mi²):
- 0.524
- State:
- North Dakota
Barnes township is located in Cass County, North Dakota. Barnes township has a 2026 population of 25. Barnes township is currently declining at a rate of 0% annually and its population has increased by 8.7% since the most recent census, which recorded a population of 23 in 2020.