Peru city, Illinois
Official LSAD Designation: Peru city • Census GEOID: 1759234
• Bureau County / LaSalle County
Demographics & Population Profile
Population and demographics for Peru city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 9,780 | — | 2025 | Census |
| Median Age | 45.7 yrs | ±3.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 4,480 | ±219 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).