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Eureka

A township of 67 people in Aurora 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 Eureka album

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Now in Eureka

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Around town

The places and views that make it Eureka

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The Eureka album

0 of 12 shotsNeighbors document Eureka together

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Know Eureka

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

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Living in Eureka

Health in Eureka

Compared with South Dakota

3better than SD·5worse

of 26 measures CDC estimates. The other 18 are too close to call.

Conditions 1▲ 5▼ 6 close Habits all close Care 2▲ 5 close Mind all close

BetterToo close to callWorse

What stands out

10.2%Fewer older adults who have lost all their teethSD 12.7% · better 79.7%More adults treating high blood pressureSD 75.9% · better 8.7%More adults with heart diseaseSD 6.8% · worse

Care nearby

Platte Health CenterPlatte · 25 mi · ER · rural critical access

Horizon Health - Plankinton Medical and DentalPlankinton · 7.5 mi · sliding-scale fees

Primary careNo shortage

DentalNo shortage

Mental healthShortage · county-wide

CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57383, 57368 · CMS · HRSAHealth in Eureka →

Natural hazards in Eureka

Moderate

Expected storm and flood damage is higher than in 48% of U.S. communities.

🥶 Cold waves🌊 Inland flooding🌵 Drought

2Does Eureka flood?paid flood claims since 2019 NoneDisasters that paid out hereof 20 declared for Aurora County MapEureka vs. its neighborsnearby towns shaded by rating

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

Climate in Eureka

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Eureka has cold, snowy winters and warm summers. A typical July afternoon reaches 86°, a January night drops to 9°, and about 38 inches of snow falls in a normal winter.

31° / 12°Winter

58° / 34°Spring

83° / 59°Summer

61° / 37°Fall

How much snow does Eureka get?About 38 inches a winter.Rain & snow →When is the first frost?Around Oct 5, with the last in spring around May 3.Frost dates →Is it warmer than it used to be?+1.4° vs. the 20th century.Then & now →

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

Libraries near Eureka

Nearest: White Lake Community LibraryWhite Lake · 4 miles · 31 hrs a week

Famous people from Eureka

BSBill ScherrSports

Al Neuharth

Al NeuharthWriting & Arts

Marlene Hagge

Marlene HaggeSports

Calvin Jones

Calvin JonesMusic

Alice Bauer

Alice BauerSports JSJim ScherrSports

Where Eureka is

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Imported town boundary

South Dakota · SD · Aurora CountyTown boundary on OpenStreetMap →

Around town

Bordering towns

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Eureka Plankinton White Lake Cooper Crystal Lake

EPlankinton WWhite Lake NCooper SCrystal Lake

Compare side by side:Eureka vs Plankinton Eureka vs White Lake Eureka vs Cooper Eureka vs Crystal Lake

How things work in Eureka

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