16 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 40509 | Lexington | 47,036 |
| 40511 | Lexington | 38,176 |
| 40515 | Lexington | 37,384 |
| 40517 | Lexington | 35,656 |
| 40503 | Lexington | 27,451 |
| 40502 | Lexington | 26,122 |
| 40504 | Lexington | 25,816 |
| 40505 | Lexington | 25,594 |
| 40508 | Lexington | 23,756 |
| 40514 | Lexington | 16,961 |
| 40513 | Lexington | 11,032 |
| 40516 | Lexington | 2,926 |
| 40526 | Lexington | 2,383 |
| 40507 | Lexington | 2,159 |
| 40510 | Lexington | 1,904 |
| 40536 | Lexington | 0 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 16 ZCTAs in Fayette County, Kentucky (US Census).