Big Rock village, Illinois
Official LSAD Designation: Big Rock village • Census GEOID: 1705976
• Kane County
Demographics & Population Profile
Population and demographics for Big Rock village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,090 | — | 2025 | Census |
| Median Age | 49.4 yrs | ±7.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 620 | ±319 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).