Founded in 1792, Hardin County is one of 120 counties in the state of Kentucky. Historically, Hardin County was formed from Nelson County. The city of Elizabethtown is the county seat. With FIPS code of 93, Hardin County has a population of 111,607 and area of 628 square miles (1,627 km2).
List of all cities in Hardin County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Big Spring, KY | 40175 | 270 |
| Cecilia, KY | 42724 | 270 |
| East Town, KY | 42701 | 270 |
| 42702 | 270 | |
| East View, KY | 42732 | 270 |
| Elizabethtown, KY | 42701 | 270 |
| 42702 | 270 | |
| Flaherty, KY | 40175 | 270 |
| Fort Knox, KY | 40121 | 502 |
| Glendale, KY | 42701 | 270 |
| 42740 | 270 | |
| Meeting Creek, KY | 42732 | 270 |
| Radcliff, KY | 40159 | 270 |
| 40160 | 270 | |
| Rineyville, KY | 40162 | 270 |
| Sonora, KY | 42776 | 270 |
| Stephensburg, KY | 42724 | 270 |
| Summit, KY | 42732 | 270 |
| Upton, KY | 42784 | 270 |
| Vertrees, KY | 42724 | 270 |
| Vine Grove, KY | 40175 | 270 |
| West Point, KY | 40177 | 502 |
| White Mills, KY | 42788 | 270 |