4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 42437 | Morganfield | 7,419 |
| 42459 | Sturgis | 3,935 |
| 42462 | Waverly | 1,512 |
| 42461 | Uniontown | 1,050 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Union County, Kentucky (US Census).