Erwin, SD zip code
Erwin, South Dakota uses one zip code: 57233. Most of it is in Kingsbury County. Together these zip codes are home to about 350 people.
Zip codes
1
Population
350
All zips combined
Largest zip
57233
350 residents
Zip codes in Erwin
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 57233 | 350 | $82,917 |