5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 42220 | Elkton | 6,131 |
| 42234 | Guthrie | 2,514 |
| 42286 | Trenton | 1,884 |
| 42204 | Allensville | 625 |
| 42280 | Sharon Grove | 439 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Todd County, Kentucky (US Census).