Sterling city, Illinois
Official LSAD Designation: Sterling city • Census GEOID: 1772546
• Whiteside County
Demographics & Population Profile
Population and demographics for Sterling city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 14,394 | — | 2025 | Census |
| Median Age | 42.6 yrs | ±2.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 6,579 | ±263 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).