| Zip Code | City | Population ↓ |
|---|---|---|
| 14020 | Batavia | 22,442 |
| 14482 | Le Roy | 8,393 |
| 14036 | Corfu | 5,406 |
| 14416 | Bergen | 3,800 |
| 14125 | Oakfield | 3,580 |
| 14525 | Pavilion | 2,536 |
| 14058 | Elba | 2,408 |
| 14005 | Alexander | 2,085 |
| 14040 | Darien Center | 1,799 |
| 14422 | Byron | 1,763 |
| 14013 | Basom | 1,744 |
| 14054 | East Bethany | 1,356 |
| 14143 | Stafford | 1,058 |
| 14056 | East Pembroke | 194 |
| 14557 | South Byron | 121 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 15 ZCTAs in Genesee County, New York (US Census).