Sparta city, Illinois
Official LSAD Designation: Sparta city • Census GEOID: 1771448
• Randolph County
Demographics & Population Profile
Population and demographics for Sparta city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 4,022 | — | 2025 | Census |
| Median Age | 41.4 yrs | ±4.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,932 | ±130 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).