Town guide
Harmon
A township of 157 people in Roberts 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 Harmon album
0 of 12 shotsNeighbors document Harmon together
Outdoors in Harmon
Parks & trails →Conserved land6.7%2,774 of 41,663 acres
Trails3.7 mi0.1 mi per sq mi
Parks & preserves4named on the map
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Town numbers
ZIP codeSign in to add
Area codeSign in to add
Living in Harmon
Work & commute in Harmon
Full picture →Most working residents leave Harmon for work: only 0% work in town. The top destinations are Sisseton (12%), Greendale (6%) and Bryant (6%). Half commute less than 22 miles.
Sisseton
12%Greendale, ND
6%Bryant
6%Watertown
4%Census LEHD 2023 · ACSWork & commute in Harmon →
Health in Harmon
Compared with South Dakota
3better than SD·11worse
of 26 measures CDC estimates. The other 12 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Coteau Des Prairies Health Care SystemSisseton · 17.3 mi · ER · rural critical access
Churches United for the HomelessMoorhead · 74.7 mi · sliding-scale fees
Primary careShortage · county-wide
DentalShortage · county-wide
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57260, 57262, 57255 · CMS · HRSAHealth in Harmon →
Natural hazards in Harmon
Moderate
Expected storm and flood damage is higher than in 41% of U.S. communities.
🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Harmon →
Climate in Harmon
Full climate →Harmon has cold, snowy winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 3°, and about 43 inches of snow falls in a normal winter.
24° / 6°Winter
54° / 32°Spring
80° / 58°Summer
57° / 35°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Harmon →
Libraries near Harmon
See all →Nearest: Wheaton Community LibraryWheaton · 11.9 miles · 39 hrs a week
Where Harmon is
Explore map →Imported town boundary
South Dakota · SD · Roberts CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
Compare side by side:Harmon vs Lake ValleyHarmon vs BryantHarmon vs WindsorHarmon vs VictorHarmon vs Hart
How things work in Harmon
All explainers →No one has written Harmon’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.