ZIP code 78578
Where is ZIP code 78578?
Port Isabel, Texas
Cameron County · Standard ZIP code
ZIP code 78578 belongs to Port Isabel, Texas in Cameron County. 78578 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 956. About 10,016 people live in the 78578 area, where the median household income is $51,880. The closest ZIP codes are 78566 (Los Fresnos, 7.4 mi northwest), 78526 (Brownsville, 11.3 mi southwest) and 78521 (Brownsville, 13 mi southwest).
| ZIP code | 78578 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Port Isabel |
| Also accepted | Laguna Heights, Laguna Hts, Laguna Vista |
| State | Texas (TX) |
| County | Cameron County |
| Time zone | Central Time · now |
| Area code | 956 |
| Coordinates | 26.0539, -97.3125 map |
| 3-digit prefix | 785 |
Population and income in 78578
| Population | 10,016 · higher than 57% of Texas ZIP codes |
|---|---|
| People per square mile | 176 · higher than 58% of Texas ZIP codes |
| Median age | 49 years · higher than 85% of Texas ZIP codes |
| Men / women | 47% / 53% |
| Median household income | $51,880 · lower than 82% of Texas ZIP codes |
| Income per person | $37,249 |
| Below the poverty line | 27% |
| Bachelor’s degree or higher | 29% of adults 25+ |
| Median home value | $196,200 · lower than 55% of Texas ZIP codes |
| Median rent | $749 a month |
| Housing units | 6,480 |
| Households | 4,379 (2.29 people on average) |
| Owners / renters | 75% / 25% |
| Land area | 56.95 sq mi (plus 22.02 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78578. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78578
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78566 | Los Fresnos, TX | 7.4 mi NW | Standard |
| 78526 | Brownsville, TX | 11.3 mi SW | Standard |
| 78521 | Brownsville, TX | 13 mi SW | Standard |
| 78523 | Brownsville, TX | 13.9 mi W | PO Box only |
| 78575 | Olmito, TX | 14.8 mi W | Standard |
| 78597 | South Padre Island, TX | 14.8 mi NE | Standard |
| 78520 | Brownsville, TX | 15.2 mi SW | Standard |
| 78522 | Brownsville, TX | 15.6 mi SW | PO Box only |
| 78568 | Lozano, TX | 17.1 mi NW | PO Box only |
| 78583 | Rio Hondo, TX | 19.3 mi NW | Standard |
| 78586 | San Benito, TX | 21.3 mi W | Standard |
| 78550 | Harlingen, TX | 25.3 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78578 or measure the distance to another ZIP code.
How to address mail to 78578
123 MAIN ST
PORT ISABEL TX 78578
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts LAGUNA HEIGHTS, LAGUNA HTS and LAGUNA VISTA as the city name for 78578. Avoid Bahia Mar, Isabel and Pt Isabel: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (78578-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78578?
- 78578 is a Port Isabel, Texas ZIP code. Laguna Heights, Laguna Hts and Laguna Vista are also accepted as the city name.
- What county is 78578 in?
- ZIP code 78578 is in Cameron County, Texas.
- What time zone is ZIP code 78578 in?
- 78578 is in the Central Time zone (America/Chicago).
- What area code is 78578?
- Phone numbers in ZIP code 78578 use area code 956.
- What is the population of ZIP code 78578?
- About 10,016 people live in ZIP code 78578, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78578?
- The median household income in 78578 is $51,880 a year, lower than 82% of Texas ZIP codes.
- What ZIP codes are near 78578?
- The nearest ZIP codes to 78578 are 78566 (Los Fresnos, 7.4 miles), 78526 (Brownsville, 11.3 miles), 78521 (Brownsville, 13 miles) and 78523 (Brownsville, 13.9 miles).