13 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 42345 | Greenville | 11,091 |
| 42330 | Central City | 10,184 |
| 42337 | Drakesboro | 1,743 |
| 42325 | Bremen | 1,565 |
| 42324 | Belton | 1,080 |
| 42344 | Graham | 1,064 |
| 42339 | Dunmor | 915 |
| 42367 | Powderly | 886 |
| 42323 | Beechmont | 810 |
| 42321 | Beech Creek | 415 |
| 42326 | Browder | 305 |
| 42374 | South Carrollton | 109 |
| 42332 | Cleaton | 102 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 13 ZCTAs in Muhlenberg County, Kentucky (US Census).