3 counties · FEMA NRI December 2025
Delaware: home risks by county
1 of 3 Delaware counties are rated Relatively High or Very High for overall risk relative to other US counties. Sort the table to compare disaster declarations, flood-insurance claims and typical first freeze.
| County | Overall risk ↓ | Declarations | Flood claims | First freeze | Top hazard | Zone | Radon |
|---|---|---|---|---|---|---|---|
| New Castle County | Relatively High | 17 | 1,575 | Nov 1 | Winter weather (Very High) | 4A | 2 |
| Sussex County | Relatively Moderate | 20 | 4,307 | Nov 6 | Coastal flooding (Very High) | 4A | 3 |
| Kent County | Relatively Moderate | 17 | 376 | Nov 4 | Cold wave (Relatively High) | 4A | 3 |
Ratings are relative to other US counties, not probabilities. Counties without a link have too little public data for a full profile.
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