Port Isabel, TX 78578 ZIP Code Profile


ZIP Code 78578: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Port Isabel, TX 78578

Acceptable Alternative
Laguna Heights, TX 78578
Laguna Hts, TX 78578
Laguna Vista, TX 78578

Not Acceptable, USPS
Bahia Mar, TX 78578
Isabel, TX 78578
Pt Isabel, TX 78578

  • ZIP Code Type: STANDARD
  • County: Cameron County
  • Centroid: Latitude 26.085, Longitude -97.242
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 347
  • PO Box Addresses: 1,475
  • Residential Addresses: 3,411
    • Multi-Family Addresses: 689
    • Single Family Addresses: 2,722

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2018, Maps updated: August 1, 2018.

Jump to... (On This Page!)
  1. 78578 2018 Demographic Data
  2. Growth Rates for 78578 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Texas Research Tools (Easy Tools & Current Data)
  3. Texas Data Comparison Tool - 2018 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2018, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Port Isabel, TX 78578 Data & Demographics (As of July 1, 2018)


Total Population 13,401
Population in Households 13,175
Population in Familes 11,394
Population in Group Qrtrs 226
Population Density2 349
Diversity Index3 57


Median Household Income $38,642
Average Household Income $62,763
Per Capita Income $22,749


Total Housing Units 6,783 (100%)
Owner Occupied HU 2,754 (40.6%)
Renter Occupied HU 1,984 (29.2%)
Vacant Housing Units 2,045 (30.1%)
Median Home Value $182,581
Average Home Value $263,680


Total Households 4,738
Average Household Size 2.78
Family Households 3,513
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2018 2018-2023
Population 0.83% 0.82%
Households 0.94% 0.89%
Families 0.82% 0.81%
Median Household Income   2.55%
Per Capita Income   2.83%

Port Isabel, TX 78578 - Peer Comparisons by Rank and Percentile

The table below compares 78578 to the other 1,862 ZIP Codes in Texas by rank and percentile using July 1, 2018 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 722 61st
Population Density # 696 63rd
Diversity Index # 1000 47th
Median Household Income # 1556 16th
Per Capita Income # 1280 31st

Additional comparisons and rankings can be made with a VERY EASY TO USE Texas Census Data Comparison Tool.

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