| Zip Code | City | Population ↓ |
|---|---|---|
| 54665 | Viroqua | 8,863 |
| 54667 | Westby | 5,100 |
| 54634 | Hillsboro | 4,484 |
| 54639 | La Farge | 2,435 |
| 54658 | Stoddard | 2,326 |
| 54624 | De Soto | 1,554 |
| 54651 | Ontario | 1,384 |
| 54621 | Chaseburg | 1,319 |
| 54632 | Genoa | 1,288 |
| 54652 | Readstown | 947 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Vernon County, Wisconsin (US Census).