Janesville CDP, Illinois
Official LSAD Designation: Janesville CDP • Census GEOID: 1738232
• Coles County
Demographics & Population Profile
Population and demographics for Janesville CDP.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population | 39 | ±45 | 2020-2024 | Census ACS 5-Year 2024 |
| Median Age | 50.1 yrs | ±7.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 17 | ±20 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).