Town guide
Olean
A township of 36 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
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Headlines via Google News · Articles belong to their publishers.
The Olean album
0 of 12 shotsNeighbors document Olean together
Outdoors in Olean
Parks & trails →Conserved land13%2,995 of 22,942 acres
Trails3.4 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
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Living in Olean
Health in Olean
Compared with South Dakota
2better than SD·9worse
of 26 measures CDC estimates. The other 15 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Community Memorial HospitalRedfield · 28.5 mi · ER · rural critical access
Horizon Health - AberdeenAberdeen · 31.6 mi · sliding-scale fees
Primary careShortage · county-wide
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57434, 57477 · CMS · HRSAHealth in Olean →
Natural hazards in Olean
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 Olean →
Libraries near Olean
See all →Nearest: Doland Community LibraryDoland · 15 miles · 27 hrs a week
Where Olean is
Explore map →Imported town boundary
South Dakota · SD · Spink CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Olean
All explainers →No one has written Olean’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.