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Olean

A township of 36 people in Spink County, South Dakota

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Town hallWanted · be the first Main streetWanted · be the first The libraryWanted · be the first Add a photoStart the Olean album

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Now in Olean

What’s happening this week

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Weather

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Around town

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Around town

The places and views that make it Olean

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The Olean album

0 of 12 shotsNeighbors document Olean together

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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

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Know Olean

The town at a glance, and the guide to how things work

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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.

Conditions 8▼ 4 close Habits all close Care 2▲ 5 close Mind 1▼ 2 close

BetterToo close to callWorse

What stands out

80.9%More adults treating high blood pressureSD 75.9% · better 87.7%More adults getting cholesterol checkedSD 84.8% · better 8.9%More adults with heart diseaseSD 6.8% · worse

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

0Does Olean flood?no paid flood claims on record NoneDisasters that paid out hereof 21 declared for Spink County MapOlean vs. its neighborsnearby towns shaded by rating

FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Olean →

Climate in Olean

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Olean has cold winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 3°, and about 28 inches of snow falls in a normal winter.

26° / 7°Winter

55° / 32°Spring

81° / 58°Summer

58° / 35°Fall

How much snow does Olean get?About 28 inches a winter.Rain & snow →When is the first frost?Around Sep 29, with the last in spring around May 6.Frost dates →Is it warmer than it used to be?+1.0° vs. the 20th century.Then & now →

NOAA U.S. Climate Normals, 1991–2020Climate in Olean →

Libraries near Olean

Nearest: Doland Community LibraryDoland · 15 miles · 27 hrs a week

Where Olean is

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Imported town boundary

South Dakota · SD · Spink CountyTown boundary on OpenStreetMap →

How things work in Olean

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Town hall & decisionsTrash, recycling & yard wasteUtilities & servicesStreets, parking & getting aroundSafety & preparednessSchools & learningParks, sports & recreationHealth & emergency care