Amherst, SD zip code
Amherst, South Dakota uses one zip code: 57421. Most of it is in Marshall County. Together these zip codes are home to about 75 people.
Zip codes
1
Population
75
All zips combined
Largest zip
57421
75 residents
Zip codes in Amherst
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 57421 | 75 | — |