ZIP code · Summit · South Dakota · United States
ZIP code 57266 — Summit
ZIP code 57266 serves Summit, South Dakota.
- Postal code
- 57266Single source Value from one source, not cross-checked.
- City
- Summit
- County
- Roberts
- State
- South Dakota
- Country
- United States
- Coordinates
- 45.3521, -97.0427 — precision precise (locality)
View on OpenStreetMap - Population
- 628 (ZCTA, ACS 5-year)
- Median household income
- $64,444
- Median age
- 27.4
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page