South Jacksonville village, Illinois
Official LSAD Designation: South Jacksonville village • Census GEOID: 1770889
• Morgan County
Demographics & Population Profile
Population and demographics for South Jacksonville village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,195 | — | 2025 | Census |
| Median Age | 48.7 yrs | ±5.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,691 | ±167 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).