Rochelle city, Illinois
Official LSAD Designation: Rochelle city • Census GEOID: 1764746
• Lee County / Ogle County
Demographics & Population Profile
Population and demographics for Rochelle city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 9,498 | — | 2025 | Census |
| Median Age | 36 yrs | ±1.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 3,759 | ±223 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).