7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 57262 | Sisseton | 5,100 |
| 57260 | Rosholt | 1,119 |
| 57279 | Wilmot | 899 |
| 57257 | Peever | 637 |
| 57227 | Corona | 562 |
| 57255 | New Effington | 488 |
| 57224 | Claire City | 164 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Roberts County, South Dakota (US Census).