Mason town, Illinois
Official LSAD Designation: Mason town • Census GEOID: 1747449
• Effingham County
Demographics & Population Profile
Population and demographics for Mason town.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 321 | — | 2025 | Census |
| Median Age | 29.8 yrs | ±11.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 164 | ±43 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).