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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

Zip Code 77979, Port Lavaca, TX

ZIP Code 77979 Details

Zip Code:77979
City:Port Lavaca
State:TX [Texas]
Counties:CALHOUN, TX
Multi County:No
City Alias(es):Port Lavaca
Long Mott
City Alias(es) To Avoid Using:Clarks
Green Lake
Magnolia Beach
Port Alto
Area Code:361
City Type:P [Post Office]
Classification: [Non-Unique]
Time Zone:Central (GMT -06:00)
Observes Daylight Saving:Yes
Elevation:19 ft
State FIPS:48
County FIPS:057
Division:West South Central
Intro Date:<2004-10

ZIP Code 77979 2020 Census Demographics

Current Population:18,569
2020 Population:16,782
Households per ZIP Code:6,164
Average House Value:$120,100
Avg. Income Per Household:$62,054
Persons Per Household:2.69
White Population:8,783
Black Population:410
Hispanic Population:9,083
Asian Population:1,018
American Indian Population:100
Hawaiian Population:1
Other Population:2,219
Male Population:8,580
Female Population:8,202
Median Age:39.10 years
Male Median Age:38.10 years
Female Median Age:40.20 years

ZIP Code 77979 Other Demographics

# Residential Mailboxes:6,903
# Business Mailboxes:559
Total Delivery Receptacles:8,400
Number of Businesses:356
1st Quarter Payroll:$68,935,000
Annual Payroll:$291,630,000
# of Employees:5,960
Water Area:147.8 sq mi
Land Area:340.464 sq mi
118th Congressional District:27
118th Congressional Land Area:9128.25 sq mi
Single Family Delivery Units:5,560
Multi Family Delivery Units:576
# Residential Mailboxes:6,903
# Business Mailboxes:559
Total Delivery Receptacles:8,400

ZIP Code 77979 Social Security Benefits

  2018 2019 Delta
Total Beneficiaries: 3,290 3,295 +5
Retired Workers: 2,165 2,215 +50
Disabled Workers: 405 400 -5
Widow(er)s and Parents: 300 290 -10
Spouses: 200 190 -10
Children: 220 200 -20
65+: 2,485 2,510 +25
Monthly Benefits - All: $4,319,000 $4,469,000 +$150,000
Monthly Benefits - Retired Workers: $3,092,000 $3,248,000 +$156,000
Monthly Benefits - Widow(ers): $415,000 $416,000 +$1,000

ZIP Code 77979 Statistical Areas

CBSA: 38920
CBSA Name: Port Lavaca, TX
CBSA Type: Micro
CBSA Division: 
CBSA Division Name: 
CBSA Population:0
CBSA Division Population:0
MSA Name: 
PMSA Name: 
City State Key:W25208
Preferred Last Line Key:W25208
77978: Previous ZIP Code
Next ZIP Code: 77982


  1. U.S. Postal Service [Last Updated: 6/1/2023],
  2. Internal Data Creation [Last Updated: 6/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census American National Standards Institute (ANSI) [Last Updated: 6/1/2023],
  6. U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023],
  7. Centers for Medicare & Medicaid Services [Updated Yearly],