St. Peter village, Illinois
Official LSAD Designation: St. Peter village • Census GEOID: 1767132
• Fayette County
Demographics & Population Profile
Population and demographics for St. Peter village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 315 | — | 2025 | Census |
| Median Age | 39.7 yrs | ±6.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 128 | ±34 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).