Seneca, SD zip code
Seneca, South Dakota uses one zip code: 57473. Most of it is in Faulk County. Together these zip codes are home to about 246 people.
Zip codes
1
Population
246
All zips combined
Largest zip
57473
246 residents
Zip codes in Seneca
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 57473 | 246 | $23,750 |