17 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 77642 | Port Arthur | 38,051 |
| 77705 | Beaumont | 37,988 |
| 77706 | Beaumont | 30,754 |
| 77627 | Nederland | 21,951 |
| 77707 | Beaumont | 17,538 |
| 77640 | Port Arthur | 17,480 |
| 77619 | Groves | 17,021 |
| 77713 | Beaumont | 15,373 |
| 77651 | Port Neches | 13,627 |
| 77708 | Beaumont | 12,398 |
| 77701 | Beaumont | 12,328 |
| 77703 | Beaumont | 11,640 |
| 77702 | Beaumont | 3,497 |
| 77622 | Hamshire | 1,799 |
| 77613 | China | 686 |
| 77629 | Nome | 524 |
| 77655 | Sabine Pass | 266 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 17 ZCTAs in Jefferson County, Texas (US Census).