Town guide
Foster
A township of 84 people in Beadle 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 Foster album
0 of 12 shotsNeighbors document Foster together
Town numbers
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Living in Foster
Health in Foster
Compared with South Dakota
≈Just like South Dakota
No difference on any of 26 measures is outside the margin of error.
BetterToo close to callWorse
What stands out
Nothing stands out: Foster tracks South Dakota closely.
Care nearby
Huron Regional Medical CenterHuron · 17.9 mi · ER · rural critical access
Horizon Health - De Smet Medical and DentalDe Smet · 19.1 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57386, 57353, 57322 · CMS · HRSAHealth in Foster →
Natural hazards in Foster
Moderate
Expected storm and flood damage is higher than in 51% of U.S. communities.
🌊 Inland flooding🌵 Drought🥶 Cold waves
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Foster →
Climate in Foster
Full climate →Foster has cold, snowy winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 5°, and about 39 inches of snow falls in a normal winter.
28° / 8°Winter
56° / 33°Spring
82° / 59°Summer
59° / 35°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Foster →
Libraries near Foster
See all →Nearest: Huron Public LibraryHuron · 18 miles · 58 hrs a week
Where Foster is
Explore map →Imported town boundary
South Dakota · SD · Beadle CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Foster
All explainers →No one has written Foster’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.