6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 42327 | Calhoun | 4,206 |
| 42352 | Livermore | 1,955 |
| 42372 | Sacramento | 1,389 |
| 42350 | Island | 1,342 |
| 42371 | Rumsey | 472 |
| 42322 | Beech Grove | 53 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in McLean County, Kentucky (US Census).