7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 55947 | La Crescent | 7,403 |
| 55921 | Caledonia | 4,659 |
| 55943 | Houston | 3,221 |
| 55974 | Spring Grove | 1,902 |
| 55941 | Hokah | 1,072 |
| 55919 | Brownsville | 1,040 |
| 55931 | Eitzen | 392 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Houston County, Minnesota (US Census).