16 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 40509 | Lexington | 45,181 |
| 40517 | Lexington | 36,263 |
| 40515 | Lexington | 36,163 |
| 40511 | Lexington | 34,873 |
| 40503 | Lexington | 28,186 |
| 40502 | Lexington | 27,118 |
| 40504 | Lexington | 26,408 |
| 40505 | Lexington | 25,969 |
| 40508 | Lexington | 25,518 |
| 40514 | Lexington | 17,238 |
| 40513 | Lexington | 10,697 |
| 40516 | Lexington | 2,758 |
| 40510 | Lexington | 2,059 |
| 40507 | Lexington | 2,057 |
| 40526 | Lexington | 1,778 |
| 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).