Mendon village, Illinois
Official LSAD Designation: Mendon village • Census GEOID: 1748307
• Adams County
Demographics & Population Profile
Population and demographics for Mendon village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 844 | — | 2025 | Census |
| Median Age | 37.6 yrs | ±3.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 430 | ±80 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).