12 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 47670 | Princeton | 11,638 |
| 47660 | Oakland City | 4,819 |
| 47639 | Haubstadt | 4,633 |
| 47648 | Fort Branch | 4,453 |
| 47665 | Owensville | 4,053 |
| 47666 | Patoka | 1,411 |
| 47649 | Francisco | 1,310 |
| 47640 | Hazleton | 882 |
| 47612 | Cynthiana | 784 |
| 47616 | Griffin | 214 |
| 47683 | Somerville | 49 |
| 47654 | Mackey | 11 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Gibson County, Indiana (US Census).