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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Portland, TX

Portland, TX Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 78374StandardSan Patricio16,620361

Timezone(s):Central (GMT -06:00)
Population:15,099 (More Details)
Male Population:7,473
Female Population:7,626
Median Age:36
ZIP Codes:1
Area Codes:1
Total Area:708 square miles (county)
Land Area:693 square miles (county)
Water Area:15 square miles (county)

Portland, TX Demographic Information *

Total population15,099
Male population7,473
Female population7,626
Median age (years)35.6
White Population13,314
Black Population238
Indian Population87
Asian Population199
Hawaiian Population18
Hispanic Population5,326
Median age (Male)33.9
Median age (Female)37.3
Total households5,392
Family households (families)4,107
Average household size2.78
Average family size3.19
Total housing units5,907
* Demographic data is based on 2010 Census.

Portland, TX Other Information

23 Cities within 30 miles of Portland, TX Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],