Alpena, South Dakota ZIP Codes
1 ZIP codes | Population: 596
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 57312 | 596 | $91,688 | $137,500 | 40.30 |
1 ZIP codes | Population: 596
| ZIP Code | Population | Median Income | Median Home | Median Age |
|---|---|---|---|---|
| 57312 | 596 | $91,688 | $137,500 | 40.30 |