| ZIP Codes: | 10 ZIP Codes (7 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Code: | 361 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:14:02 PM |
| Population: | 76,326 [See All] |
| FIPS: | 48409 |
| CBSA: | Corpus Christi, TX |
| Land Area: | 890 sq mi |
| Water Area: | 53 sq mi |
| Coordinates: | 27.9633, -97.4168 |
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76,326 residents live across 10 ZIPs covering 890 sq mi, served by 9 distinct USPS-recognized cities.
Population moved from 70,142 to 76,326 from 2014 to 2024 — a +8.8% change. 7 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 78374 (Portland, $83,504 median) and poorest ZIP 78359 (Gregory, $45,458) are 2.6 miles apart — a 1.8× income gap across local geography.
Median home values vary 2.5× across this county — from $95,300 in 78368 (Mathis) to $233,800 in 78374 (Portland).
Density varies 38× across the county — from 33 people/sq mi in 78390 (Taft) to 1,253 in 78374 (Portland).
Educational attainment ranges from 5.0% bachelor's+ in 78359 (Gregory) to 25.7% in 78374 (Portland) — the breadth of educational profiles across the area.
Within Texas, this is the #50 most populous of 254 counties and ranks #163 for median household income with the #69 fastest decade growth .
Weighted by population, the typical household earns about $66,753 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.5% of adults age 25+ hold a bachelor's degree or higher (8,880 of 50,784 reporting).
7 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 78374 | Portland | Standard | 20,408 | $83,504 | 16.3 | 20.5% |
| 78336 | Aransas Pass | Standard | 12,424 | $58,420 | 61.3 | 4.4% |
| 78362 | Ingleside | Standard | 10,816 | $71,058 | 21.1 | 14.3% |
| 78387 | Sinton | Standard | 9,640 | $53,048 | 242.8 | -5.6% |
| 78368 | Mathis | Standard | 9,464 | $46,486 | 247.2 | 0.6% |
| 78390 | Taft | Standard | 6,013 | $78,367 | 183.0 | 10.9% |
| 78370 | Odem | Standard | 5,353 | $69,570 | 115.0 | 17.4% |
| 78359 | Gregory | PO Box | 2,154 | $45,458 | 3.5 | 2.3% |
| 78352 | Edroy | PO Box | 54 | — | 0.1 | -64.7% |
| 78335 | Aransas Pass | PO Box | — | — | 0.0 | — |