| Zip Code | City | Population ↓ |
|---|---|---|
| 40353 | Mount Sterling | 22,425 |
| 42223 | Fort Campbell | 19,617 |
| 40337 | Jeffersonville | 5,518 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 3 ZCTAs in Montgomery County, Kentucky (US Census).