Summit, SD ZIP code
The ZIP code for Summit, South Dakota is 57266. It is in Grant County.
- Population in these ZIPs
- 626
- Avg. median income
- $72,500population-weighted
- Typical home value
- $162,500population-weighted
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Summit, SD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 57266 | 626 | $72,500 | $162,500 |
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 Summit
Frequently asked questions
What is the ZIP code for Summit, SD?
The ZIP code for Summit, SD is 57266.
What county is Summit, South Dakota in?
Summit ZIP codes are in Grant County.