Zip Code | City | Population |
|---|---|---|
| 42431 | Madisonville | 26,666 |
| 42408 | Dawson Springs | 6,307 |
| 42442 | Nortonville | 3,147 |
| 42413 | Hanson | 2,406 |
| 42441 | Nebo | 1,853 |
| 42464 | White Plains | 1,714 |
| 42436 | Manitou | 1,426 |
| 42410 | Earlington | 1,219 |
| 42440 | Mortons Gap | 936 |
| 42453 | Saint Charles | 527 |