Sinai, SD ZIP code
The ZIP code for Sinai, South Dakota is 57061. It is in Brookings County.
- Population in these ZIPs
- 215
- Avg. median income
- $56,900population-weighted
- Typical home value
- $89,300population-weighted
- Metro area
- Brookings, SD
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Sinai, SD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 57061 | 215 | $56,875 | $89,300 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Sinai
Frequently asked questions
What is the ZIP code for Sinai, SD?
The ZIP code for Sinai, SD is 57061.
What county is Sinai, South Dakota in?
Sinai ZIP codes are in Brookings County.