Port Isabel city, Texas
Official LSAD Designation: Port Isabel city • Census GEOID: 4858892
• Cameron County
Port Isabel city is an incorporated city in Cameron County, Texas. According to official records from the Census (2025), Port Isabel city had an estimated population of 5,302 residents. Official Census Bureau geographic records classify this community under LSAD designation Port Isabel city (GEOID 4858892).
Local Government Administration U.S. Census Bureau GMAF
City Of Port Isabel
Municipal
Official Title:
Mayor
Address:
305 E MAXAN ST, PORT ISABEL TX 78578-4508
County Of Cameron
County
Official Title:
County Judge
Address:
1100 E MONROE ST, BROWNSVILLE TX 78520-5883
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 5,302 | 2025 |
| Median Household Income | $32,222 | 2020-2024 |
| Median Home Value | $182,600 | 2020-2024 |
| Land Area | 18.27 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).