| Zip Code | City | Population ↓ |
|---|---|---|
| 47670 | Princeton | 11,566 |
| 47660 | Oakland City | 4,945 |
| 47639 | Haubstadt | 4,591 |
| 47648 | Fort Branch | 4,396 |
| 47665 | Owensville | 4,057 |
| 47666 | Patoka | 1,555 |
| 47649 | Francisco | 1,280 |
| 47640 | Hazleton | 983 |
| 47612 | Cynthiana | 790 |
| 47616 | Griffin | 279 |
| 47683 | Somerville | 37 |
| 47654 | Mackey | 20 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Gibson County, Indiana (US Census).