Port Isabel city, Texas
Official LSAD Designation: Port Isabel city • Census GEOID: 4858892
• Cameron County
Demographics & Population Profile
Population and demographics for Port Isabel city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 5,302 | — | 2025 | Census |
| Median Age | 37.8 yrs | ±10.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 2,067 | ±267 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).