Town guide
Greenfield
A township of 42 people in Brown 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 Greenfield album
0 of 12 shotsNeighbors document Greenfield together
Outdoors in Greenfield
Parks & trails →Conserved land59%13,435 of 22,904 acres
Trails2.3 mi0.1 mi per sq mi
Parks & preserves1named 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 Greenfield
Health in Greenfield
Compared with South Dakota
9better than SD·5worse
of 26 measures CDC estimates. The other 12 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Sanford Medical Center AberdeenAberdeen · 24.4 mi · ER
Horizon Health - AberdeenAberdeen · 24.8 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57441, 57446 · CMS · HRSAHealth in Greenfield →
Natural hazards in Greenfield
Low
Expected storm and flood damage is higher than in 37% of U.S. communities.
🌊 Inland flooding🥶 Cold waves🧊 Hail
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Greenfield →
Climate in Greenfield
Full climate →Greenfield has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 83°, a January night drops to 2°, and about 38 inches of snow falls in a normal winter.
24° / 6°Winter
54° / 31°Spring
80° / 57°Summer
56° / 34°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Greenfield →
Libraries near Greenfield
See all →Nearest: Emma Burnham Public LibraryFrederick · 10.4 miles · 14 hrs a week
Where Greenfield is
Explore map →Imported town boundary
South Dakota · SD · Brown CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Greenfield
All explainers →No one has written Greenfield’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.