Sinai, SD zip code
Sinai, South Dakota uses one zip code: 57061. Most of it is in Brookings County. Together these zip codes are home to about 215 people.
Zip codes
1
Population
215
All zips combined
Largest zip
57061
215 residents
Zip codes in Sinai
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 57061 | 215 | $56,875 |