Census place · GEOID 4858892 · Cameron County
Port Isabel, TX ZIP codes
3 ZIP/ZCTAs intersecting this Census place in Cameron County.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Port Isabel (GEOID 4858892). Methodology
Combined population of ZIP/ZCTAs intersecting this place: 38,039 (3 ZIPs).
Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology
Map of Port Isabel, TX

ZIP/ZCTA overlap with Port Isabel
Population overlap
Share of each ZIP/ZCTA’s population located within Port Isabel, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Port Isabel
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 78566 | Los Fresnos | Cameron County | 24,927 | $64,385 |
| 78578 | Port Isabel | Cameron County | 10,231 | $52,041 |
| 78597 | South Padre Island | Cameron County | 2,881 | $61,357 |