Zachary city, Louisiana
Official LSAD Designation: Zachary city • Census GEOID: 2283405
• East Baton Rouge Parish
Demographics & Population Profile
Population and demographics for Zachary city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 20,621 | — | 2025 | Census |
| Median Age | 38.3 yrs | ±2.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 7,648 | ±435 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).