Portland, TX zip code
Portland, Texas uses one zip code: 78374. Most of it is in San Patricio County. Together these zip codes are home to about 20K people.
Zip codes
1
Population
20K
All zips combined
Largest zip
78374
20,408 residents
Zip codes in Portland
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 78374 | 20,408 | $83,504 |