Lacon city, Illinois
Official LSAD Designation: Lacon city • Census GEOID: 1740559
• Marshall County
Demographics & Population Profile
Population and demographics for Lacon city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,822 | — | 2025 | Census |
| Median Age | 38.8 yrs | ±4.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 799 | ±83 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).