Port Isabel, Texas
| Port Isabel, Texas | |
|---|---|
| Location of Port Isabel, Texas | |
| Coordinates: 26°4′25″N 97°12′48″W / 26.07361°N 97.21333°W | |
| Country | United States | 
| State | Texas | 
| County | Cameron | 
| Area | |
|  • Total | 13.80 sq mi (35.73 km2) | 
| • Land | 6.79 sq mi (17.58 km2) | 
| • Water | 7.01 sq mi (18.15 km2) | 
| Elevation | 7 ft (2 m) | 
| Population  (2020) | |
|  • Total | 5,028 | 
| • Density | 360/sq mi (140/km2) | 
| Time zone | UTC-6 (Central (CST)) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP codes | 78578, 78597 | 
| Area code | 956 | 
| FIPS code | 48-58892 | 
| GNIS feature ID | 1375530 | 
| Website | www | 
Port Isabel is a city in Cameron County, Texas, United States. It is part of the Brownsville–Harlingen–Raymondville and the Matamoros–Brownsville metropolitan areas. The population was 5,028 at the 2020 census.
The city's name is given to the Port Isabel Detention Center, 12 miles (19 km) to the northwest next to Port Isabel-Cameron County Airport.