8 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 55987 | Winona | 33,911 |
| 55972 | Saint Charles | 5,323 |
| 55952 | Lewiston | 2,689 |
| 55959 | Minnesota City | 1,988 |
| 55925 | Dakota | 1,240 |
| 55910 | Altura | 1,232 |
| 55969 | Rollingstone | 1,155 |
| 55979 | Utica | 1,138 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Winona County, Minnesota (US Census).