Founded in 1842, Letcher County is one of 120 counties in the state of Kentucky. Historically, Letcher County was formed from Perry County and Harlan County. The city of Whitesburg is the county seat. With FIPS code of 133, Letcher County has a population of 21,253 and area of 339 square miles (878 km2).
List of all cities in Letcher County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Blackey, KY | 41804 | 606 |
| Burdine, KY | 41517 | 606 |
| Carbon Glow, KY | 41832 | 606 |
| Carcassonne, KY | 41804 | 606 |
| Cromona, KY | 41810 | 606 |
| Crown, KY | 41858 | 606 |
| Day Rural, KY | 41858 | 606 |
| Deane, KY | 41812 | 606 |
| Democrat, KY | 41858 | 606 |
| Dongola, KY | 41858 | 606 |
| Dunham, KY | 41537 | 606 |
| East Jenkins, KY | 41537 | 606 |
| Eolia, KY | 40826 | 606 |
| Ermine, KY | 41815 | 606 |
| Fleming, KY | 41840 | 606 |
| Fleming Neon, KY | 41840 | 606 |
| Gaskill, KY | 41537 | 606 |
| Gilly, KY | 41819 | 606 |
| Gordon, KY | 41819 | 606 |
| Hall, KY | 41840 | 606 |
| Hallie, KY | 41821 | 606 |
| Isom, KY | 41824 | 606 |
| Jackhorn, KY | 41825 | 606 |
| Jenkins, KY | 41537 | 606 |
| Jeremiah, KY | 41826 | 606 |
| Kings Creek, KY | 41858 | 606 |
| Kona, KY | 41858 | 606 |
| Letcher, KY | 41832 | 606 |
| Linefork, KY | 41833 | 606 |
| Lionilli, KY | 41537 | 606 |
| Mayking, KY | 41837 | 606 |
| Mc Roberts, KY | 41835 | 606 |
| Millstone, KY | 41838 | 606 |
| Neon, KY | 41840 | 606 |
| Oscaloosa, KY | 41858 | 606 |
| Partridge, KY | 40862 | 606 |
| Payne Gap, KY | 41537 | 606 |
| Potters Fork, KY | 41537 | 606 |
| Premium, KY | 41845 | 606 |
| Roxana, KY | 41848 | 606 |
| Seco, KY | 41849 | 606 |
| Skyline, KY | 41821 | 606 |
| Thornton, KY | 41855 | 606 |
| Tolliver Town, KY | 41810 | 606 |
| Van, KY | 41858 | 606 |
| Whitesburg, KY | 41855 | 606 |
| 41858 | 606 |