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

Dominant hazards

The hazards most often rated elevated or higher across South Dakota's counties:

Highest-risk counties

CountyFEMA compositeScore
Minnehaha CountyRelatively Moderate90
Dewey CountyRelatively Low79
Pennington CountyRelatively Low79
Brown CountyRelatively Low74
Lincoln CountyRelatively Low63
Yankton CountyRelatively Low63
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 2026-07-08