Most disaster-prone counties in Connecticut
Connecticut has 244 county-level FEMA disaster declarations across 8 counties. The dominant hazard type is hurricane. New Haven County leads with 36 declarations, followed by Fairfield County and Litchfield County.
This ranking shows every county in Connecticut ordered by how many times FEMA has issued a disaster declaration affecting it. Counties near coastlines, river systems, or wildfire corridors tend to appear at the top because the same geographic exposure produces recurring events across decades.
Each county links to a full disaster history page with the complete declaration timeline, hazard type breakdown, decade trends, and whatever FEMA spending data is available. For a national view, see the most disaster-prone counties in America page.
All counties by FEMA declaration count
| # | County | Declarations | Top hazard | First year | Latest year |
|---|---|---|---|---|---|
| 1 | New Haven County | 36 | Hurricane | 1978 | 2024 |
| 2 | Fairfield County | 33 | Hurricane | 1978 | 2024 |
| 3 | Litchfield County | 31 | Hurricane | 1978 | 2024 |
| 4 | Hartford County | 30 | Hurricane | 1978 | 2024 |
| 5 | New London County | 30 | Hurricane | 1978 | 2024 |
| 6 | Middlesex County | 28 | Hurricane | 1978 | 2021 |
| 7 | Tolland County | 28 | Hurricane | 1978 | 2021 |
| 8 | Windham County | 28 | Hurricane | 1978 | 2021 |