| Zip Code | City | Population ↓ |
|---|---|---|
| 56256 | Madison | 2,358 |
| 56232 | Dawson | 2,308 |
| 56212 | Bellingham | 511 |
| 56218 | Boyd | 503 |
| 56257 | Marietta | 453 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Lac qui Parle County, Minnesota (US Census).