57421 vs 57430 ZIP Codes
Amherst, SD · Britton, SD
| Metric | 57421 | 57430 |
|---|---|---|
| City | Amherst | Britton |
| County | Marshall | Marshall |
| State | South Dakota | South Dakota |
| Time zone | Central Time | Central Time |
| Population | 88 | 2,243 |
Demographic figures come from U.S. Census Bureau / ACS data included in the source ZIP dataset; many ZIP codes have no demographic figures in that dataset.