South Dakota Disaster Risk
Natural disaster risk data for all 66 counties.
Avg FEMA Rating
Very Low
Avg Percentile
27th
Counties with Data
66
of 66 total
Highest Risk Counties
All South Dakota Counties
Frequently Asked Questions
Which county in South Dakota has the highest natural disaster risk?
Minnehaha County has the highest natural disaster risk in South Dakota, rated Relatively Moderate (90th percentile nationally), based on FEMA National Risk Index data.
Which county in South Dakota is the safest from natural disasters?
Jones County has the lowest natural disaster risk in South Dakota, rated Very Low (1th percentile nationally), based on FEMA NRI data.
What natural disasters are most common in South Dakota?
South Dakota counties face varying levels of risk from floods, wildfires, tornadoes, earthquakes, and hurricanes. The FEMA National Risk Index scores each county across 18 hazard types. See individual county pages for detailed hazard breakdowns.
How is natural disaster risk measured by county?
The FEMA National Risk Index (NRI) measures natural disaster risk using expected annual loss, social vulnerability, and community resilience. Scores are normalized nationally, with ratings from Very Low to Very High across 18 natural hazard types.
Protect your home from natural disasters
Compare home and flood insurance quotes from top providers.
Sponsored
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.