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Biological history in Pennsylvania
Pennsylvania has 134 county-level biological declarations across 67 counties. Adams County leads with 2 declarations. Total tracked FEMA obligations for biological events in this state: $1.9B.
This page shows every Pennsylvania county in Pennsylvania that has at least one FEMA biological declaration on record, ranked by how many times that hazard type triggered federal aid. Counties near the top of this list have recurring exposure to biological events — useful context for anyone evaluating property risk, insurance needs, or emergency planning in the area.
For the full national view of biological declarations across all states, see the biological disaster type page. For all hazard types in Pennsylvania, see the Pennsylvania state page.
Biological in Pennsylvania