Rochelle
- County:
- Ogle County
- County Seat:
- No
- Area (mi²):
- 13.759
- State:
- Illinois
Rochelle is a city located in Ogle County, Illinois. Rochelle has a 2026 population of 9,510. Rochelle is currently growing at a rate of 1.49% annually and its population has increased by 0.4% since the most recent census, which recorded a population of 9,472 in 2020.