Nason city, Illinois
Official LSAD Designation: Nason city • Census GEOID: 1751726
• Jefferson County
Demographics & Population Profile
Population and demographics for Nason city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 198 | — | 2025 | Census |
| Median Age | 36.5 yrs | ±22.1 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 97 | ±30 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).