Watseka city, Illinois
Official LSAD Designation: Watseka city • Census GEOID: 1779228
• Iroquois County
Demographics & Population Profile
Population and demographics for Watseka city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 4,510 | — | 2025 | Census |
| Median Age | 47.7 yrs | ±4.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,277 | ±188 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).