16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 40509 | Lexington | 45,135 |
| 40515 | Lexington | 36,787 |
| 40517 | Lexington | 36,396 |
| 40511 | Lexington | 36,101 |
| 40503 | Lexington | 27,825 |
| 40502 | Lexington | 26,593 |
| 40504 | Lexington | 26,164 |
| 40505 | Lexington | 25,855 |
| 40508 | Lexington | 24,356 |
| 40514 | Lexington | 16,919 |
| 40513 | Lexington | 10,710 |
| 40516 | Lexington | 2,809 |
| 40507 | Lexington | 2,225 |
| 40526 | Lexington | 2,015 |
| 40510 | Lexington | 1,992 |
| 40536 | Lexington | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 16 ZCTAs in Fayette County, Kentucky (US Census).