Allen, SD zip code
Allen, South Dakota uses one zip code: 57714. Most of it is in Bennett County. Together these zip codes are home to about 1.1K people.
Zip codes
1
Population
1.1K
All zips combined
Largest zip
57714
1,144 residents
Zip codes in Allen
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 57714 | 1,144 | — |