5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 78384 | San Diego | 5,510 |
| 78357 | Freer | 2,817 |
| 78341 | Benavides | 1,508 |
| 78349 | Concepcion | 568 |
| 78376 | Realitos | 258 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Duval County, Texas (US Census).