Lenzburg village, Illinois
Official LSAD Designation: Lenzburg village • Census GEOID: 1742860
• St. Clair County
Demographics & Population Profile
Population and demographics for Lenzburg village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 436 | — | 2025 | Census |
| Median Age | 32 yrs | ±9.8 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 165 | ±54 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).