Riverdale
- County:
- Clayton County
- County Seat:
- No
- Area (mi²):
- 4.39
- State:
- Georgia
Riverdale is a city located in Clayton County, Georgia. Riverdale has a 2026 population of 14,586. Riverdale is currently declining at a rate of -1.01% annually and its population has decreased by -2.83% since the most recent census, which recorded a population of 15,011 in 2020.