Town guide
Summit
A township of 28 people in Roberts County, South Dakota
From your neighbors
What’s happening
Weather
Forecast →Coming up
Upcoming events
Nothing on the calendar yet
Add an event →Put the next local happening — a market, a meeting, a concert — on the map.
Around town
All news →Local news
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Headlines via Google News · Articles belong to their publishers.
The Summit album
0 of 12 shotsNeighbors document Summit together
Outdoors in Summit
Parks & trails →Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
About Summit
Town in South Dakota, United States1897Established
288Population
0.5 sq miArea
2,014 ftElevation
Summit is a town in Roberts County, South Dakota, United States. The population was 288 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Town numbers
ZIP code57266
Area code605
Living in Summit
Health in Summit
Compared with South Dakota
13worse than SD
of 26 measures CDC estimates. The other 13 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Coteau Des Prairies Health Care SystemSisseton · 21.6 mi · ER · rural critical access
Horizon Health - AberdeenAberdeen · 69.2 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP code 57266 · CMS · HRSAHealth in Summit →
Natural hazards in Summit
Moderate
Expected storm and flood damage is higher than in 51% of U.S. communities.
🥶 Cold waves🌊 Inland flooding🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Summit →
Climate in Summit
Full climate →Summit has cold, snowy winters and pleasant summers. A typical July afternoon reaches 80°, a January night drops to 3°, and about 59 inches of snow falls in a normal winter.
22° / 6°Winter
51° / 31°Spring
77° / 57°Summer
54° / 35°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Summit →
Libraries near Summit
See all →Nearest: Wilmot Public LibraryWilmot · 10.1 miles · 16 hrs a week
Where Summit is
Explore map →
Location map
South Dakota · SD · Roberts CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Summit
All explainers →No one has written Summit’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.