Rocky River
- County:
- Cuyahoga County
- County Seat:
- No
- Area (mi²):
- 4.73
- State:
- Ohio
Rocky River is a city located in Cuyahoga County, Ohio. Rocky River has a 2026 population of 21,468. Rocky River is currently growing at a rate of 0.65% annually but its population has decreased by -1.17% since the most recent census, which recorded a population of 21,723 in 2020.