8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 55987 | Winona | 34,052 |
| 55972 | Saint Charles | 5,326 |
| 55952 | Lewiston | 2,759 |
| 55959 | Minnesota City | 2,031 |
| 55910 | Altura | 1,244 |
| 55925 | Dakota | 1,197 |
| 55969 | Rollingstone | 1,136 |
| 55979 | Utica | 1,027 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Winona County, Minnesota (US Census).