Delavan city, Illinois
Official LSAD Designation: Delavan city • Census GEOID: 1719226
• Tazewell County
Demographics & Population Profile
Population and demographics for Delavan city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,548 | — | 2025 | Census |
| Median Age | 38.1 yrs | ±5.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 639 | ±98 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).