Harrisburg city, Illinois
Official LSAD Designation: Harrisburg city • Census GEOID: 1733136
• Saline County
Demographics & Population Profile
Population and demographics for Harrisburg city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 7,922 | — | 2025 | Census |
| Median Age | 39 yrs | ±3.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 3,464 | ±204 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).