Riverdale township
- County:
- McLean County
- County Seat:
- No
- Area (mi²):
- 37.061
- State:
- North Dakota
Riverdale township is located in McLean County, North Dakota. Riverdale township has a 2026 population of 101. Riverdale township is currently declining at a rate of 0% annually and its population has increased by 14.77% since the most recent census, which recorded a population of 88 in 2020.
The median age in Riverdale township is 43.4 years: 51.1 years for males, and 42 years for females. For every 100 females there are 300.0 males.