| Zip Code | City | Population ↓ |
|---|---|---|
| 97058 | The Dalles | 20,855 |
| 97761 | Warm Springs | 3,229 |
| 97040 | Mosier | 1,701 |
| 97021 | Dufur | 1,386 |
| 97063 | Tygh Valley | 862 |
| 97037 | Maupin | 839 |
| 97001 | Antelope | 386 |
| 97057 | Shaniko | 18 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 8 ZCTAs in Wasco County, Oregon (US Census).