The most populated Zip Code in Hardin County, Kentucky is 42701, located in Elizabethtown. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
|---|---|---|
| 42701 | Elizabethtown | 52,618 |
| 40160 | Radcliff | 23,539 |
| 40121 | Fort Knox | 8,655 |
| 40162 | Rineyville | 5,666 |
| 42724 | Cecilia | 5,406 |
| 42732 | Eastview | 2,411 |
| 42740 | Glendale | 2,157 |
| 42776 | Sonora | 2,025 |
| 42712 | Big Clifty | 1,681 |
| 42788 | White Mills | 227 |