Chatham village, Illinois
Official LSAD Designation: Chatham village • Census GEOID: 1712684
• Sangamon County
Demographics & Population Profile
Population and demographics for Chatham village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 14,579 | — | 2025 | Census |
| Median Age | 35.4 yrs | ±2.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 5,624 | ±283 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).