9 counties · FEMA NRI December 2025
Connecticut: home risks by county
3 of 9 Connecticut 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 |
|---|---|---|---|---|---|---|---|
| Capitol Planning Region | Relatively High | 32 | — | Oct 26 | Ice storm (Very High) | 5A | 3 |
| Western Connecticut Planning Region | Relatively High | 35 | — | Oct 14 | Inland flooding (Relatively High) | 5A | 1 |
| South Central Connecticut Planning Region | Relatively High | 36 | — | Oct 27 | Ice storm (Very High) | 5A | 1 |
| Naugatuck Valley Planning Region | Relatively Moderate | 39 | — | Oct 16 | Inland flooding (Relatively High) | 5A | 1 |
| Greater Bridgeport Planning Region | Relatively Moderate | 33 | — | Nov 6 | Coastal flooding (Very High) | 5A | 1 |
| Southeastern Connecticut Planning Region | Relatively Moderate | 32 | — | Oct 28 | Hurricane (Relatively High) | 5A | 1 |
| Lower Connecticut River Valley Planning Region | Relatively Moderate | 33 | — | Oct 16 | Inland flooding (Relatively Moderate) | 5A | 1 |
| Northwest Hills Planning Region | Relatively Low | 35 | — | Oct 11 | Inland flooding (Relatively Moderate) | 5A | 2 |
| Northeastern Connecticut Planning Region | Relatively Low | 33 | — | Oct 13 | Hurricane (Relatively Moderate) | 5A | 2 |
Ratings are relative to other US counties, not probabilities. Counties without a link have too little public data for a full profile.
Other states
Alabama67Alaska30American Samoa3Arizona15Arkansas75California58Colorado64Delaware3District of Columbia1Florida67Georgia159Guam1Hawaii5Idaho44Illinois102Indiana92Iowa99Kansas105Kentucky120Louisiana64Maine16Maryland24Massachusetts14Michigan83Minnesota87Mississippi82Missouri115Montana56Nebraska93Nevada17New Hampshire10New Jersey21New Mexico33New York62North Carolina100North Dakota53Northern Mariana Islands3Ohio88Oklahoma77Oregon36Pennsylvania67Puerto Rico78Rhode Island5South Carolina46South Dakota66Tennessee95Texas254Utah29Vermont14Virgin Islands3Virginia133Washington39West Virginia55Wisconsin72Wyoming23