Riverdale
- County:
- McLean County
- County Seat:
- No
- Area (mi²):
- 1.387
- State:
- North Dakota
Riverdale is a city located in McLean County, North Dakota. Riverdale has a 2026 population of 222. Riverdale is currently declining at a rate of -0.45% annually but its population has increased by 0.45% since the most recent census, which recorded a population of 221 in 2020.
The median household income in Riverdale is $73,333 with a poverty rate of 4.28%. The median age in Riverdale is 61.6 years: 63.4 years for males, and 55 years for females. For every 100 females there are 88.9 males.