4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 56093 | Waseca | 12,672 |
| 56048 | Janesville | 4,025 |
| 56072 | New Richland | 2,228 |
| 56091 | Waldorf | 256 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Waseca County, Minnesota (US Census).