Town guide
Cornwall
A township of 56 people in Spink 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
Loading local headlines…
Headlines via Google News · Articles belong to their publishers.
The Cornwall album
0 of 12 shotsNeighbors document Cornwall together
Outdoors in Cornwall
Parks & trails →Conserved land33%7,430 of 22,753 acres
Trails7.5 mi0.2 mi per sq mi
Parks & preserves0named on the map
Know a trail or park that’s missing? Anyone can add it to OpenStreetMap, and it shows up here on the next refresh.
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Town numbers
ZIP codeSign in to add
Area codeSign in to add
Living in Cornwall
Health in Cornwall
Compared with South Dakota
3better than SD·5worse
of 26 measures CDC estimates. The other 18 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Community Memorial HospitalRedfield · 19.2 mi · ER · rural critical access
Horizon Health - HuronHuron · 21.8 mi · sliding-scale fees
Primary careShortage · county-wide
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP code 57348 · CMS · HRSAHealth in Cornwall →
Natural hazards in Cornwall
Low
Expected storm and flood damage is higher than in 29% of U.S. communities.
🌊 Inland flooding🥶 Cold waves🧊 Hail
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Cornwall →
Climate in Cornwall
Full climate →Cornwall has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 5°, and about 44 inches of snow falls in a normal winter.
28° / 8°Winter
57° / 33°Spring
83° / 59°Summer
59° / 35°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Cornwall →
Libraries near Cornwall
See all →Nearest: Doland Community LibraryDoland · 18.5 miles · 27 hrs a week
Where Cornwall is
Explore map →Imported town boundary
South Dakota · SD · Spink CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Cornwall
All explainers →No one has written Cornwall’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.