RainbowSD
A town of 42.
Population
42
residents
Median age
42.0
years
Small town
42 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
BisonMarshfieldLone TreeMeadowRainbow
Rainbow’s report card
Now in Rainbow
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The data
Ordered by what stands out in Rainbow. Another town gets a different order.
Climate
Four seasons, pleasant summers
Rainbow has cold, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 7°, and about 40 inches of snow falls in a normal winter.
40″snow a winter
Typical low → high °F
Winter9–30°
Spring31–55°
Summer54–82°
Fall32–58°
Oct 1
typical first frost
May 10
typical last frost
+1.3°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →
Health
How healthy Rainbow is
Rainbow beats the South Dakota average on 2 of 26 CDC measures and trails it on 5.
26 measures vs. South Dakota
2 better19 too close to call5 worse
| What stands out | Rainbow | SD |
|---|---|---|
| More adults treating high blood pressure | 79.8% | 75.9% |
| More adults getting cholesterol checked | 87.4% | 84.8% |
| More adults with COPD | 8.5% | 6.7% |
West River Regional Medical Center
36.1 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 54% of U.S. communities.
54risk score of 100
FEMA risk score
Cold wavesInland floodingWildfire
FEMA National Risk Index · OpenFEMANatural hazards →
Outdoors
0% of Rainbow is conserved land
9.8 miles of trails across 1 parks and preserves.
0%conserved
0%
conserved · 4 of 22,845 acres
9.8 mi
of trails · 0.3 per sq mi
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Grand River National Grassland | — | 4 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →