Grafton city, Illinois
Official LSAD Designation: Grafton city • Census GEOID: 1730653
• Jersey County
Demographics & Population Profile
Population and demographics for Grafton city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 773 | — | 2025 | Census |
| Median Age | 52.2 yrs | ±10.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 301 | ±57 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).