Town guide
Peno
A township of 35 people in Pennington County, South Dakota
From your neighbors
What’s happening
Weather
Forecast →Coming up
Upcoming events
Nothing on the calendar yet
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Around town
All news →Local news
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The Peno album
0 of 12 shotsNeighbors document Peno together
Outdoors in Peno
Parks & trails →Conserved land0.2%46 of 22,837 acres
Trails14 mi0.4 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
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Living in Peno
Health in Peno
Compared with South Dakota
2better than SD·8worse
of 26 measures CDC estimates. The other 16 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Hans P Peterson Memorial Hospital - CahPhilip · 22.1 mi · ER · rural critical access
Main ClinicRapid City · 54.6 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57775, 57790 · CMS · HRSAHealth in Peno →
Natural hazards in Peno
High
Expected storm and flood damage is higher than in 74% of U.S. communities.
🌊 Inland flooding🔥 Wildfire🥶 Cold waves
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Peno →
Climate in Peno
Full climate →Peno has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 87°, a January night drops to 12°, and about 38 inches of snow falls in a normal winter.
35° / 14°Winter
57° / 33°Spring
84° / 57°Summer
61° / 36°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Peno →
Libraries near Peno
See all →Nearest: Wall Community LibraryWall · 11.5 miles · 19 hrs a week
Where Peno is
Explore map →Imported town boundary
South Dakota · SD · Pennington CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Peno
All explainers →No one has written Peno’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.