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SenecaSD

A town of 22.

Population
22
residents
Median age
67.3
years
Land area
0 sq mi
Small town

22 people, and everyone knows the way

In a town this size, neighbors are the best guide. Ask them anything.

Nearby towns

Seneca’s report card

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70°
Clear
H 0° · L 56°

Upcoming events

Nothing on the calendar.

The data

Ordered by what stands out in Seneca. Another town gets a different order.

Climate

Snowy winters, pleasant summers

Seneca 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

Winter8–27°
Spring31–55°
Summer56–81°
Fall33–57°
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
37Low riskLowerHigher
Cold wavesInland floodingHail
1
federal disasters paid out here
FEMA National Risk Index · OpenFEMANatural hazards →
Health

How healthy Seneca is

Seneca beats the South Dakota average on 6 of 26 CDC measures and trails it on 11.

26 measures vs. South Dakota
6 better9 too close to call11 worse
What stands outSenecaSD
Fewer binge drinkers13.3%18.8%
Fewer adults in frequent mental distress11.8%15.3%
More adults with heart disease12.4%6.8%
Avera Missouri River Health Center
14.1 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 →

About Seneca

Town in South Dakota, United States

Seneca is a town in Faulk County, South Dakota, United States. The population was 22 at the 2020 census.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Population
22
Area
0.4 sq mi
Elevation
1,906 ft
ZIP code
57473
Area code
605

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