Lebanon city, Illinois
Official LSAD Designation: Lebanon city • Census GEOID: 1742496
• St. Clair County
Demographics & Population Profile
Population and demographics for Lebanon city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 4,884 | — | 2025 | Census |
| Median Age | 30.2 yrs | ±5.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,564 | ±183 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).