STATE RISK ROLL-UP
South Dakota
Across 66 counties, FEMA rates 0 elevated or higher for overall natural-hazard risk. Here's what drives it — and where it concentrates.
How the counties rate
Bajo65
Moderado1
Elevado0
Alto0
Dominant hazards
The hazards most often rated elevated or higher across South Dakota's counties:
- Clima invernal — 13 counties
- Tormenta de hielo — 6 counties
- Sequía — 2 counties
- Tornado — 2 counties
Highest-risk counties
| County | FEMA composite | Score |
|---|---|---|
| Minnehaha County | Relativamente moderado | 90 |
| Dewey County | Relativamente bajo | 79 |
| Pennington County | Relativamente bajo | 79 |
| Brown County | Relativamente bajo | 74 |
| Lincoln County | Relativamente bajo | 63 |
| Yankton County | Relativamente bajo | 63 |
State figures are a roll-up of FEMA National Risk Index county data (counts and rankings), not an official FEMA state rating. Risk is an estimate from a public model, not a guarantee — verify your specific insurance needs with a licensed professional. See the methodology.
FEMA National Risk Index · as of 2026-07-10