| Zip Code | City | Population ↓ |
|---|---|---|
| 41056 | Maysville | 13,714 |
| 41055 | Mayslick | 1,758 |
| 41044 | Germantown | 1,522 |
| 41034 | Dover | 1,065 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Mason County, Kentucky (US Census).