3 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 75972 | San Augustine | 5,896 |
| 75930 | Bronson | 2,381 |
| 75929 | Broaddus | 1,440 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 3 ZCTAs in San Augustine County, Texas (US Census).