Port Lavaca, TX 77979 ZIP Code Profile


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ZIP Code 77979: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Port Lavaca, TX 77979

Acceptable Alternative
Long Mott, TX 77979

Not Acceptable, USPS
Clarks, TX 77979
Green Lake, TX 77979
Indianola, TX 77979
Kamey, TX 77979
Magnolia Beach, TX 77979
Olivia, TX 77979
Port Alto, TX 77979
Weedhaven, TX 77979

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 745
  • Single Family Addresses: 6,044
  • Multi-Family Addresses: 564
  • County: Calhoun County
  • Centroid: Latitude 28.617, Longitude -96.633
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

Neighborhood Data

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77979 ZIP Code Map

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Port Lavaca, TX 77979 Data & Demographics (As of July 1, 2016)


Total Population 19,834
Population in Households 19,586
Population in Familes 16,712
Population in Group Qrtrs 248
Population Density1 45
Diversity Index2 69


Total Households 6,915
Average Household Size 2.83
Family Households 5,022
Average Family Size 3


Total Housing Units 8,838 (100%)
Owner Occupied HU 4,605 (52.1%)
Renter Occupied HU 2,310 (26.1%)
Vacant Housing Units 1,923 (21.8%)
Median Home Value $98,958
Average Home Value $142,671


Median Household Income $47,831
Average Household Income $61,231
Per Capita Income $21,510
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 1.09% 1.09%
Households 0.91% 0.97%
Families 0.81% 0.91%
Median Household Income   1.88%
Per Capita Income   1.3%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Port Lavaca, TX 77979 - Peer Comparisons by Rank and Percentile

The table below compares 77979 to the other 1,873 ZIP Codes in Texas by rank and percentile using July 1, 2016 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 # 545 71st
Population Density1 # 1108 41st
Diversity Index2 # 474 74th
Median Household Income # 943 50th
Per Capita Income # 1285 31st

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

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