| Zip Code | City | Population ↓ |
|---|---|---|
| 42240 | Hopkinsville | 41,788 |
| 42262 | Oak Grove | 9,441 |
| 42217 | Crofton | 3,389 |
| 42266 | Pembroke | 3,251 |
| 42215 | Cerulean | 1,618 |
| 42232 | Gracey | 786 |
| 42236 | Herndon | 752 |
| 42254 | La Fayette | 196 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Christian County, Kentucky (US Census).