| Zip Code | City | Population ↓ |
|---|---|---|
| 42261 | Morgantown | 9,850 |
| 42275 | Roundhill | 859 |
| 42273 | Rochester | 561 |
| 42252 | Jetson | 131 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Butler County, Kentucky (US Census).