O'NeilSD
A town of 5. Nearly 91.8% of it is conserved land.
Population
5
residents
What makes O'Neil stand out
The thing O'Neil does most differently from other towns.
Small town
5 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
SaratogaClarkO'Neil
O'Neil’s report card
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The data
Ordered by what stands out in O'Neil. Another town gets a different order.
Outdoors
Nearly a third of O'Neil is conserved land
6.8 miles of trails across 0 parks and preserves.
91.8%conserved
91.8%
conserved · 21,137 of 23,032 acres
6.8 mi
of trails · 0.2 per sq mi
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →
Climate
Snowy winters, pleasant summers
O'Neil has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 5°, and about 43 inches of snow falls in a normal winter.
43″snow a winter
Typical low → high °F
Winter8–26°
Spring31–55°
Summer56–81°
Fall34–57°
Sep 28
typical first frost
May 10
typical last frost
+0.9°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →
Natural hazards
Low risk, with cold waves at the top
Expected storm and flood damage is higher than in 37% of U.S. communities.
37risk score of 100
FEMA risk score
Cold wavesInland floodingHail
FEMA National Risk Index · OpenFEMANatural hazards →
Health
How healthy O'Neil is
O'Neil beats the South Dakota average on 1 of 26 CDC measures and trails it on 11.
26 measures vs. South Dakota
1 better14 too close to call11 worse
| What stands out | O'Neil | SD |
|---|---|---|
| More adults treating high blood pressure | 80.6% | 75.9% |
| More adults with heart disease | 9.7% | 6.8% |
Faulkton Area Medical Center
13.5 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 →