Delaware DE
3 counties ranked by FEMA National Risk Index score. Click any column header to re-sort. Scores are 0–100 percentiles relative to all US counties — blank means Not Applicable or Insufficient Data.
| County | Overall | Wildfire | Inland flood | Coastal flood | Earthquake | Heat wave | Tornado | Hurricane | Hail | Strong wind | Winter wx | Ice storm | Cold wave | Lightning | Drought | Landslide | Avalanche | Tsunami | Volcanic |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| New Castle County | 95.3 | 60.6 | 97.6 | 83.8 | 92.9 | 95.3 | 88.1 | 88.4 | 24.2 | 88.3 | 99.5 | 89 | 93.4 | 81.3 | 84 | 76.6 | — | — | — |
| Sussex County | 94.1 | 84.8 | 92.8 | 97.6 | 81.5 | 89.4 | 63.4 | 97.2 | 60.4 | 85.6 | 96.7 | 82.1 | 98.1 | 82.9 | 86.5 | 50.6 | — | — | — |
| Kent County | 84.5 | 64.9 | 82.9 | 69.6 | 80.7 | 87.6 | 68.6 | 91.3 | 45.9 | 60 | 92.8 | 67.7 | 93.7 | 73.4 | 84.9 | 30.2 | — | — | — |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are percentile rankings among all US counties — see the methodology page for definitions.