Buffalo village, Illinois
Official LSAD Designation: Buffalo village • Census GEOID: 1709434
• Sangamon County
Demographics & Population Profile
Population and demographics for Buffalo village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 437 | — | 2025 | Census |
| Median Age | 45.9 yrs | ±7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 197 | ±36 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).