| ZIP Code | 78578 |
|---|---|
| City | Port Isabel |
| State | Texas (TX) |
| County | Cameron County |
| Area Code | 956 |
| Latitude | 26.043955 |
|---|---|
| Longitude | -97.306593 |
| Timezone | Chicago (DST) |
| FIPS | 48061 |
| ZIP Type | Standard |
| Status | Active |
Race & Ethnicity
Age Breakdown
Key Indicators
| Median Age | 48.2 yrs ↑ 9% since 2019 |
|---|---|
| Avg Household Size | 2.38 |
| Below Poverty | 19.7% ▲ 97% above avg |
| College Grads | 33.9% ▼ 13% below avg |
| Unemployment | 4.4% ▼ 9% below avg |
| No HS Diploma | 479 (7%) |
| HS Graduate | 2,533 (37%) |
| Some College | 662 (9.7%) |
| Associates | 857 (12.5%) |
| Bachelors | 559 (8.2%) |
| Graduate Degree | 1,764 (25.7%) |
Education
Housing Tenure
Home Value Distribution
Financials
| Median HH Income | $52,041 ▼ 32% below avg ↑ 44% since 2019 |
|---|---|
| Median Home Value | $193,700 ▼ 31% below avg ↑ 48% since 2019 |
| Home/Income Ratio | 3.7x (nat avg ~3.5x) |
| Median Rent | $763/mo ↑ 9% since 2019 |
| Total Units | 6,391 |
| Vacant Units | 2,096 |
| Avg HH Size | 2.38 |
Income Distribution
How People Get to Work
Commute Time
Year Built
Summary
| Total Units | 6,391 |
|---|---|
| Vacant | 2,096 |
| Owner Occupied | 76.8% |
| Renter Occupied | 23.2% |
| Avg HH Size | 2.38 |
ZIP code 78578 is located in Port Isabel, Texas, within Cameron County. With a population of 10,231, this is a lightly populated ZIP code with a mature community — the median age is 48.2 years. Economically, 78578 is a working-class ZIP code: the median household income of $52,041 is below the national average.
Real estate in ZIP code 78578 represents an affordable housing market. The median home value of $193,700 is below the national average. Renters can expect to pay around $763 per month in median rent. Homeownership is strong here — 76.8% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 48% since 2019.
The population of 78578 is majority Hispanic (63.05%). Residents are moderately educated — 33.9% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 19.7%. Household income has grown by 44% since 2019.
The unemployment rate in 78578 stands at 4.4%, which is near the national average. As in most parts of the country, driving alone is the dominant commute mode at 78%.
Overall, ZIP code 78578 in Port Isabel, TX is characterized as working-class, moderately educated, a mature community, and predominantly owner-occupied. With 10,231 residents, a median household income of $52,041, and a median home value of $193,700, it offers a clear picture of life in this part of Texas.