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Marvin

A town of 19 people in South Dakota
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About Marvin

Town in South Dakota, United States
19Population
0.5 sq miArea
1,644 ftElevation

Marvin is a town in Grant County, South Dakota, United States. The population was 19 at the 2020 census. Marvin was originally called Grade Siding; during the search for what residents considered a more suitable name, the presence of a Marvin brand safe in town caused the new name to be selected.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Town numbers

ZIP code57251
Area code605
Living in Marvin

Health in Marvin

Compared with South Dakota

9better than SD·8worse

of 26 measures CDC estimates. The other 9 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Milbank Area Hospital/Avera HealthMilbank · 15.3 mi · ER · rural critical access
Access Health - BrookingsBrookings · 66.1 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP code 57251 · CMS · HRSAHealth in Marvin →

Natural hazards in Marvin

50
Moderate

Expected storm and flood damage is higher than in 50% of U.S. communities.

🥶 Cold waves🌊 Inland flooding🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Marvin →

Climate in Marvin

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Marvin has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 3°, and about 59 inches of snow falls in a normal winter.

24° / 6°Winter
53° / 32°Spring
80° / 58°Summer
56° / 35°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Marvin →

Libraries near Marvin

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Nearest: Wilmot Public LibraryWilmot · 10.7 miles · 16 hrs a week

Famous people close to Marvin

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How things work in Marvin

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We left the porch light on

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01