| Zip Code | City | Population ↓ |
|---|---|---|
| 40065 | Shelbyville | 31,439 |
| 40067 | Simpsonville | 6,391 |
| 40076 | Waddy | 2,973 |
| 40003 | Bagdad | 2,035 |
| 40022 | Finchville | 833 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Shelby County, Kentucky (US Census).