AltoSD
A town of 34. Nearly 33.2% of it is conserved land.
Population
34
residents
Median home value
$310K
Census ACS
Household income
$56K
median
Median age
66.5
years
What makes Alto stand out
The thing Alto does most differently from other towns.
Small town
34 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
One RoadKosciuskoWaubaySpring GroveOrtleyAlto
Alto’s report card
Now in Alto
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Weather
Forecast →53°
Mostly Cloudy then Patchy Fog
H 0° · L 54°
Upcoming events
Nothing on the calendar.
The data
Ordered by what stands out in Alto. Another town gets a different order.
Outdoors
Nearly a third of Alto is conserved land
2.4 miles of trails across 0 parks and preserves.
33.2%conserved
33.2%
conserved · 7,620 of 22,934 acres
2.4 mi
of trails · 0.1 per sq mi
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →
Climate
Four seasons, pleasant summers
Alto has cold, snowy winters and pleasant summers. A typical July afternoon reaches 80°, a January night drops to 3°, and about 36 inches of snow falls in a normal winter.
36″snow a winter
Typical low → high °F
Winter6–22°
Spring31–51°
Summer57–78°
Fall35–54°
Oct 12
typical first frost
May 1
typical last frost
+1.1°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →
Health
How healthy Alto is
Alto beats the South Dakota average on 2 of 26 CDC measures and trails it on 13.
26 measures vs. South Dakota
2 better11 too close to call13 worse
| What stands out | Alto | SD |
|---|---|---|
| Fewer binge drinkers | 15.8% | 18.8% |
| More adults treating high blood pressure | 79.1% | 75.9% |
| More adults with COPD | 9.6% | 6.7% |
Coteau Des Prairies Health Care System
17.2 mi away · emergency room
3 of 3
care shortages: primary care, dental, mental health
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →
Natural hazards
Moderate risk, with cold waves at the top
Expected storm and flood damage is higher than in 51% of U.S. communities.
51risk score of 100
FEMA risk score
Cold wavesInland floodingTornadoes
FEMA National Risk Index · OpenFEMANatural hazards →