How much flood risk does Centre County actually carry?
Centre County lands at the 81.2th percentile of FEMA's National Risk Index for flooding, "Relatively Moderate" territory — a middling flood hazard by national standards — with the hazard driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 1 times a year. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Mandatory flood insurance compliance in Centre County
Out of 1,376 homes FEMA counts inside Centre County's mapped flood zone, 199 carry the flood policy federal law requires there — 14.5% compliance, short of full coverage. Across all residential structures in Centre County, not just the ones FEMA mandates, 0.6% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How Centre County compares nationally
Centre County sits at rank 616 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 439 of 3144 by population (1 is biggest). About 159,805 people live in Centre County, Pennsylvania, spread over 1,107.259 square miles.
Checking a specific address in Centre County
266 of Centre County's 48,774 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Centre County's numbers. The guide to what the Special Flood Hazard Area actually means explains why the mandatory-insurance rule exists and who it applies to.