Dorchester village, Illinois
Official LSAD Designation: Dorchester village • Census GEOID: 1720370
• Macoupin County
Demographics & Population Profile
Population and demographics for Dorchester village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 125 | — | 2025 | Census |
| Median Age | 43.5 yrs | ±28.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 58 | ±28 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).