Louisville village, Illinois
Official LSAD Designation: Louisville village • Census GEOID: 1744927
• Clay County
Demographics & Population Profile
Population and demographics for Louisville village.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,108 | — | 2025 | Census |
| Median Age | 40.3 yrs | ±6.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 483 | ±113 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).