St. Martinville city, Louisiana
Official LSAD Designation: St. Martinville city • Census GEOID: 2267600
• St. Martin Parish
Demographics & Population Profile
Population and demographics for St. Martinville city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 5,229 | — | 2025 | Census |
| Median Age | 49.4 yrs | ±6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,848 | ±244 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).