Town guide
Dexter
A township of 193 people in Codington 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 Dexter album
0 of 12 shotsNeighbors document Dexter together
Outdoors in Dexter
Parks & trails →Conserved land14%5,372 of 38,605 acres
Trails8.2 mi0.1 mi per sq mi
Parks & preserves3named 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 Dexter
Work & commute in Dexter
Full picture →Most working residents leave Dexter for work: only 0% work in town. The top destinations are Watertown (50%), Sioux Falls (14%) and Florence (2%). Half commute less than 18 miles.
Watertown
50%Sioux Falls
14%Florence
2%Clark
2%Census LEHD 2023 · ACSWork & commute in Dexter →
Health in Dexter
Compared with South Dakota
1worse than SD
of 26 measures CDC estimates. The other 25 are too close to call.
BetterToo close to callWorse
What stands out
Care nearby
Prairie Lakes Healthcare SystemWatertown · 16.1 mi · ER
Horizon Health - De Smet Medical and DentalDe Smet · 53 mi · sliding-scale fees
Primary careNo shortage
DentalNo shortage
Mental healthShortage · county-wide
CDC PLACES 2025 · modeled estimates for adults · ZIP codes 57235, 57263, 57256 · CMS · HRSAHealth in Dexter →
Natural hazards in Dexter
Moderate
Expected storm and flood damage is higher than in 46% of U.S. communities.
🌊 Inland flooding🥶 Cold waves🌪️ Tornadoes
FEMA National Risk Index December 2025 · OpenFEMANatural hazards in Dexter →
Climate in Dexter
Full climate →Dexter has cold, snowy winters and pleasant summers. A typical July afternoon reaches 81°, a January night drops to 2°, and about 32 inches of snow falls in a normal winter.
23° / 5°Winter
52° / 31°Spring
79° / 57°Summer
55° / 34°Fall
NOAA U.S. Climate Normals, 1991–2020Climate in Dexter →
Libraries near Dexter
See all →Nearest: Waubay Public LibraryWaubay · 14.5 miles · 33 hrs a week
Where Dexter is
Explore map →Imported town boundary
South Dakota · SD · Codington CountyTown boundary on OpenStreetMap →
Around town
Explore map →Bordering towns
How things work in Dexter
All explainers →No one has written Dexter’s explainers yetKnow how one of these works here? Each explainer earns +10 karma.