How much flood risk does McKean County actually carry?
McKean County lands at the 73.2th 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 1.2 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 McKean County
Homes with a federally backed mortgage inside McKean County's mapped high-risk flood zone (the Special Flood Hazard Area, or SFHA) are legally required to carry an NFIP flood policy. In practice, 16.2% of them do — 151 active policies against 931 structures FEMA counts in that zone, leaving a real compliance gap. Across all residential structures in McKean County, not just the ones FEMA mandates, 1.1% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
McKean County against the rest of the country
McKean County sits at rank 883 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 1200 of 3144 by population (1 is biggest). McKean County, Pennsylvania is home to about 39,478 people across 979.694 square miles of land.
Checking a specific address in McKean County
FEMA counts 16,989 residential structures in McKean County overall, 181 of them carrying some form of NFIP coverage — but a lender or insurer cares about one parcel, not that county total.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed McKean 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.