Aransas County, Texas ZIP codes
4 ZIP codes are in Aransas County, plus 2 that cross in from neighboring counties. It's part of the Corpus Christi, TX metro area.
- ZIP codes
- 4
- Population in these ZIPs
- 21,224
- Avg. median income
- $75,100population-weighted
- Cities & towns
- 3
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Aransas County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 77950 | Austwell | 178 | $35,417 | $95,000 |
| 78358 | Fulton | 478 | $86,250 | $252,700 |
| 78381 PO Box | Rockport | — | — | — |
| 78382 | Rockport | 20,568 | $75,135 | $305,800 |
ZIP codes partly in Aransas County
These ZIP codes are mostly in a neighboring county but cover part of Aransas County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 78336 | Aransas Pass | San Patricio County | 12,424 | $58,420 | $224,100 |
| 78390 | Taft | San Patricio County | 6,013 | $78,367 | $139,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Aransas County
Nearby counties
Frequently asked questions
How many ZIP codes are in Aransas County, Texas?
4 ZIP codes are mainly in Aransas County, and 2 more ZIP codes from neighboring areas reach partly into it.
What cities are in Aransas County?
ZIP codes in Aransas County use the city names Austwell, Fulton and Rockport.
What metro area is Aransas County in?
Aransas County is part of the Corpus Christi, TX metropolitan statistical area.