10 ZIP Codes
| Zip Code | City | Population ↓ |
|---|---|---|
| 56277 | Olivia | 2,905 |
| 56284 | Renville | 2,168 |
| 55342 | Hector | 1,973 |
| 55332 | Fairfax | 1,667 |
| 55310 | Bird Island | 1,344 |
| 55314 | Buffalo Lake | 1,187 |
| 56270 | Morton | 1,076 |
| 56285 | Sacred Heart | 983 |
| 56230 | Danube | 779 |
| 55333 | Franklin | 698 |
The data shown reflect ZCTAs from the US Census. As of 2025, there are 10 ZCTAs in Renville County, Minnesota (US Census).