| Zip Code | City | Population ↓ |
|---|---|---|
| 99581 | Emmonak | 1,293 |
| 99620 | Kotlik | 1,272 |
| 99658 | Saint Marys | 1,231 |
| 99554 | Alakanuk | 1,138 |
| 99632 | Mountain Village | 884 |
| 99604 | Hooper Bay | 801 |
| 99662 | Scammon Bay | 506 |
| 99563 | Chevak | 432 |
| 99650 | Pilot Station | 380 |
| 99585 | Marshall | 215 |
| 99657 | Russian Mission | 95 |
| 99666 | Nunam Iqua | 59 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 12 ZCTAs in Kusilvak Census Area, Alaska (US Census).