Town guide
Allen
A township of 77 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
Headlines via Google News · Articles belong to their publishers.
The Allen album
0 of 12 shotsNeighbors document Allen together
Outdoors in Allen
Parks & trails →Conserved land29%6,857 of 23,360 acres
Trails4.1 mi0.1 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 Allen
Health in Allen
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: Allen tracks South Dakota closely.
Care nearby
Huron Regional Medical CenterHuron · 17.9 mi · ER · rural critical access
Horizon Health - HuronHuron · 17.9 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57384, 57348 · CMS · HRSAHealth in Allen →
Natural hazards in Allen
Moderate
Expected storm and flood damage is higher than in 41% of U.S. communities.
🌊 Inland flooding🥶 Cold waves🌵 Drought
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Allen →
Climate in Allen
Full climate →Allen has cold, snowy winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 6°, and about 44 inches of snow falls in a normal winter.
28° / 9°Winter
57° / 33°Spring
83° / 59°Summer
59° / 35°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Allen →
Libraries near Allen
See all →Nearest: Huron Public LibraryHuron · 17.9 miles · 58 hrs a week
Where Allen is
Explore map →Imported town boundary
South Dakota · SD · Beadle CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Allen
All explainers →No one has written Allen’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.