San Patricio County, TX ZIP codes
There are 10 ZIP codes in San Patricio County, TX, in 9 towns, from 78335 to 78390. The largest are 78374 (Portland), 78336 (Aransas Pass) and 78362 (Ingleside).
The county seat is Sinton.
- ZIP codes
- 10
- Towns
- 9
- County seat
- Sinton
- County FIPS
48409- State
- Texas
- Population
- 70,181
- Median household income
- $69,704
- Land area
- 693 sq mi
- Area code
- 361
- Metro area
- Corpus Christi
San Patricio County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
Map of San Patricio County ZIP codes
The ZIP codes of San Patricio County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
San Patricio County in numbers
About 70,181 people live in San Patricio County, in 25,334 households, the 52nd most populous of Texas's 254 counties. The median household income is $69,704 a year, 11% below the Texas median of $78,476 (US: $80,734). The median owner-occupied home is valued at $192,400 (32% below the Texas median), and median gross rent is $1,291 a month. The median age is 37.0; 17.5% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas); the average commute takes 23 minutes.
| Population | 70,181 |
|---|---|
| Households | 25,334 |
| Median age | 37.0 |
| Median household income | $69,704 |
| Median home value | $192,400 |
| Median gross rent | $1,291 |
| Bachelor's degree or higher | 17.5% |
| Mean commute | 23.0 min |
| Population density | 101 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in San Patricio County
| Town | ZIP codes | Population |
|---|---|---|
| Portland | 1 | 20,543 |
| Ingleside | 1 | 9,997 |
| Aransas Pass | 2 | 8,972 |
| Sinton | 1 | 5,584 |
| Mathis | 1 | 4,308 |
| Taft | 1 | 2,871 |
| Odem | 1 | 2,102 |
| Gregory | 1 | 2,003 |
| Edroy | 1 | 341 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with San Patricio County.
Not sure you are in San Patricio County? What county am I in? answers from your location, near a county line included.
Every ZIP code in San Patricio County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
78335 | Aransas Pass , TX | No street area | — | — | — |
78336 | Aransas Pass , TX | Standard | 12,424 | $58,420 | $214,200 |
78352 | Edroy , TX | Standard | 54 | — | — |
78359 | Gregory , TX | Standard | 2,154 | $45,458 | $117,700 |
78362 | Ingleside , TX | Standard | 10,816 | $71,058 | $191,200 |
78368 | Mathis , TX | Standard | 9,464 | $46,486 | $95,300 |
78370 | Odem , TX | Standard | 5,353 | $69,570 | $176,700 |
78374 | Portland , TX | Standard | 20,408 | $83,504 | $233,800 |
78387 | Sinton , TX | Standard | 9,640 | $53,048 | $166,300 |
78390 | Taft , TX | Standard | 6,013 | $78,367 | $135,700 |
Cite this page
zipcodes.pro. “San Patricio County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/tx/county/san-patricio
Underlying data is public domain or openly licensed — sources, vintages and licences.