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

#CountyDeclarationsTop hazardFirst yearLatest year
1Sussex County19Hurricane19652020
2New Castle County17Hurricane19652021
3Kent County16Hurricane19652020