Editorial
Most disaster-prone counties in Delaware
Delaware has 52 county-level FEMA disaster declarations across 3 counties. The dominant hazard type is hurricane. Sussex County leads with 19 declarations, followed by New Castle County and Kent County.
This ranking shows every county in Delaware 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.
Delaware ranking
All counties by FEMA declaration count
| # | County | Declarations | Top hazard | First year | Latest year |
|---|---|---|---|---|---|
| 1 | Sussex County | 19 | Hurricane | 1965 | 2020 |
| 2 | New Castle County | 17 | Hurricane | 1965 | 2021 |
| 3 | Kent County | 16 | Hurricane | 1965 | 2020 |