2004 · SDMap-doton-Onaka · Wikimedia Commons
Onaka’s story
119 years in pictures
1 postcards, papers and photographs from public archives.
- 1907Onaka is settled
- 2004SDMap-doton-Onaka
OnakaSD
A town of 25, settled in 1907.
Population
25
residents
Median age
13.5
years
Land area
0 sq mi
Small town
25 people, and everyone knows the way
In a town this size, neighbors are the best guide. Ask them anything.
Nearby towns
Onaka’s report card
Now in Onaka
Be the first to start the conversation.
Start a conversation
The data
Ordered by what stands out in Onaka. Another town gets a different order.
Climate
Four seasons, pleasant summers
Onaka has cold, snowy winters and pleasant summers, with very little rain. A typical July afternoon reaches 84°, a January night drops to 4°, and about 35 inches of snow falls in a normal winter.
35″snow a winter
Typical low → high °F
Winter7–26°
Spring31–55°
Summer56–81°
Fall33–57°
Sep 28
typical first frost
May 10
typical last frost
+0.8°
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
2
federal disasters paid out here
FEMA National Risk Index · OpenFEMANatural hazards →
Health
How healthy Onaka is
Onaka beats the South Dakota average on 1 of 26 CDC measures and trails it on 9.
26 measures vs. South Dakota
1 better16 too close to call9 worse
| What stands out | Onaka | SD |
|---|---|---|
| More adults treating high blood pressure | 79.4% | 75.9% |
| More adults with heart disease | 9.2% | 6.8% |
Avera Missouri River Health Center
18.3 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 →
About Onaka
Town in South Dakota, United States
Onaka (Dakota: oyanka; "place") is a town in Faulk County, South Dakota, United States. The population was 13 at the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
- Established
- 1907
- Population
- 13
- Area
- 0.3 sq mi
- Elevation
- 1,873 ft
- ZIP code
- 57466
- Area code
- 605