Scott County
Missouri — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 80th
Scott County faces low composite natural disaster risk (NRI Risk Index score 80.1, 80th national percentile), driven primarily by earthquake and ice storm exposure. Expected annual loss across all 18 hazard types is $37M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Earthquake | Medium | 0.01 / yr | $18M |
| Ice Storm | High | 1.38 / yr | $1M |
| Tornado | Medium | 0.37 / yr | $6M |
| Strong Wind | High | 3.65 / yr | $2M |
| Heat Wave | Medium | 11.26 / yr | $2M |
| Winter Weather | Medium | 6.89 / yr | $200K |
| Drought | Medium | 5.33 / yr | $592K |
| Cold Wave | Medium | 1.11 / yr | $2M |
| Lightning | Medium | 56.77 / yr | $318K |
| Hail | Low | 3.22 / yr | $294K |
| Landslide | Very Low | 0.44 / yr | $2K |
| Riverine Flood | Low | 2.50 / yr | $6M |
| Hurricane | Very Low | 0.01 / yr | $26K |
| Wildfire | Very Low | 0.00 / yr | $3K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Scott County?
Scott County has a composite FEMA National Risk Index score of 80.1 out of 100, placing it in the Low category and the 80th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Scott County?
The three highest-rated hazards are Earthquake (Medium, $18M EAL), Ice Storm (High, $1M EAL), Tornado (Medium, $6M EAL). These account for most of the county's expected annual losses.
How does Scott County compare to other Missouri counties?
Scott County ranks #16 of 115 Missouri counties for overall natural disaster risk, with a low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Scott County's $37M EAL is a statistical average, not a guarantee for any specific year or address.