ZIP code 57266: Summit, SD
57266 is a ZIP code in Summit, South Dakota, mainly in Grant County. About 626 people live here.
- Population
- 626
- Median household income
- $72,500
- Typical home value
- $162,500ACS median value
- Median rent
- $775gross, per month
- Median age
- 33.7
- Homeowners
- 74.3%of occupied homes
Shaded: ZIP code 57266's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57266 details
| City | Summit |
|---|---|
| State | South Dakota |
| County | Grant County (also partly Roberts County) |
| Metro area | Not in a metro or micro area |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 127.3 sq mi, plus 1.5 sq mi of water |
| Population density | 5 people per sq mi |
| Bachelor's degree or higher | 14.4% of adults 25+ |
| Average commute | 25.3 minutes |
| Center coordinates | 45.28982, -97.09272 |
Median rent in 57266 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $538/mo |
| 2 bedrooms | $900/mo |
| 3 bedrooms | $950/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 57266
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57256 | Ortley, SD | 5.8 mi | 238 |
| 57251 | Marvin, SD | 7.7 mi | 228 |
| 57273 | Waubay, SD | 9.4 mi | 1,165 |
| 57263 | South Shore, SD | 11.1 mi | 351 |
| 57279 | Wilmot, SD | 13.9 mi | 899 |
| 57257 | Peever, SD | 14.6 mi | 637 |
| 57269 | Twin Brooks, SD | 14.9 mi | 186 |
| 57264 | Stockholm, SD | 18.6 mi | 191 |
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
Buying a home in 57266?
A typical home in ZIP code 57266 is worth about $162,500 (ACS median value). The median household here earns $72,500 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $162,500 homeWhat can a $72,500 income afford?Rental property numbers
About ZIP code 57266
What city is ZIP code 57266?
ZIP code 57266 is in Summit, SD, in Grant County.
What county is ZIP code 57266 in?
57266 is mainly in Grant County, South Dakota, and partly in Roberts County.
What is the population of ZIP code 57266?
About 626 people live in ZIP code 57266, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57266 in?
57266 is in Central Time (UTC−6). It observes daylight saving time.