Town guide
Walnut Grove
A township of 94 people in Douglas 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 Walnut Grove album
0 of 12 shotsNeighbors document Walnut Grove together
Outdoors in Walnut Grove
Parks & trails →Conserved land7.9%1,464 of 18,450 acres
Trails11 mi0.4 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 Walnut Grove
Health in Walnut Grove
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
Douglas County Memorial Hospital-CahArmour · 10.3 mi · ER · rural critical access
Horizon Health - Plankinton Medical and DentalPlankinton · 17.6 mi · sliding-scale fees
Primary careShortage · county-wide
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP code 57328 · CMS · HRSAHealth in Walnut Grove →
Natural hazards in Walnut Grove
Low
Expected storm and flood damage is higher than in 35% of U.S. communities.
🥶 Cold waves🌊 Inland flooding🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Walnut Grove →
Climate in Walnut Grove
Full climate →Walnut Grove has cold, snowy winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 9°, and about 34 inches of snow falls in a normal winter.
32° / 12°Winter
58° / 34°Spring
84° / 59°Summer
61° / 37°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Walnut Grove →
Libraries near Walnut Grove
See all →Nearest: Armour-Carnegie Public LibraryArmour · 10.6 miles · 23 hrs a week
Where Walnut Grove is
Explore map →Imported town boundary
South Dakota · SD · Douglas CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Walnut Grove
All explainers →No one has written Walnut Grove’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.