Mount Sterling city, Illinois
Official LSAD Designation: Mount Sterling city • Census GEOID: 1751154
• Brown County
Demographics & Population Profile
Population and demographics for Mount Sterling city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,155 | — | 2025 | Census |
| Median Age | 35.3 yrs | ±5.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 941 | ±114 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).