Connecticut CT
9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Capitol Planning Region | 97.4 | 56.9 | 99 | 38.4 | 93.5 | 96.4 | 90.5 | 93.2 | 81.6 | 83.6 | 85.7 | 95.6 | 94.8 | 91.9 | 52.8 | 87.2 | — | — | — |
| Western Connecticut Planning Region | 96.3 | 46.2 | 98.1 | 89.8 | 92 | 84 | 69.2 | 97 | 41.4 | 97.8 | 94.3 | 94.7 | 65.8 | 78.9 | 49.9 | 89 | 24.6 | — | — |
| South Central Connecticut Planning Region | 95.1 | 41.2 | 96.9 | 93.8 | 91.5 | 85.4 | 78 | 97 | 37.1 | 84.9 | 91.3 | 96.6 | 69.2 | 92.3 | 23.8 | 69.2 | — | — | — |
| Naugatuck Valley Planning Region | 93.2 | 47.7 | 96.3 | 42.2 | 86.1 | 80.7 | 73.1 | 95.1 | 54.4 | 89.1 | 88 | 94.4 | 72.1 | 86.1 | 50.2 | 86.8 | — | — | — |
| Greater Bridgeport Planning Region | 91.8 | 23.9 | 93.9 | 94.8 | 86.4 | 77.6 | 41.7 | 95.1 | 21.8 | 95.3 | 88.7 | 85.6 | 51.3 | 60 | 18.5 | 46.5 | — | — | — |
| Southeastern Connecticut Planning Region | 88.6 | 39.4 | 91.8 | 71.2 | 80.9 | 71.3 | 53.1 | 94.7 | 45.2 | 57.3 | 76.8 | 78.2 | 42.9 | 75.5 | 32.4 | 76.7 | — | — | — |
| Lower Connecticut River Valley Planning Region | 83.8 | 43.6 | 90.3 | 79.6 | 74.8 | 42.2 | 43.3 | 87.7 | 11.1 | 53.4 | 65 | 72.8 | 30.5 | 59.4 | 35.3 | 72.5 | — | — | — |
| Northwest Hills Planning Region | 79.6 | 39.9 | 88 | — | 66.3 | 30.8 | 42.9 | 86.8 | 44.5 | 48.2 | 51.2 | 80.8 | 50.3 | 47.9 | 40.9 | 82.8 | 50.6 | — | — |
| Northeastern Connecticut Planning Region | 62.8 | 22.9 | 75.2 | 0 | 61.4 | 49.7 | 28.3 | 86.1 | 12.4 | 13.9 | 42.6 | 73.2 | 27.3 | 40.5 | 27.2 | 62.2 | — | — | — |
Source: FEMA National Risk Index v1.20.0, December 2025. Scores are percentile rankings among all US counties — see the methodology page for definitions.