8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 55987 | Winona | 34,072 |
| 55972 | Saint Charles | 5,434 |
| 55952 | Lewiston | 2,585 |
| 55959 | Minnesota City | 1,889 |
| 55925 | Dakota | 1,336 |
| 55910 | Altura | 1,171 |
| 55969 | Rollingstone | 1,169 |
| 55979 | Utica | 1,053 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Winona County, Minnesota (US Census).