Is Boone County, WV in a flood zone?
FEMA's National Risk Index puts Boone County's flood hazard at the 85th percentile nationally — a middling flood hazard by national standards — driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 1.7 times a year. County-wide, not parcel-specific: FEMA's real flood-zone map is queried live, never shipped as a download.
Mandatory flood insurance compliance in Boone County
Homes with a federally backed mortgage inside Boone 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, 4.8% of them do — 138 active policies against 2,904 structures FEMA counts in that zone, leaving a real compliance gap. Across all residential structures in Boone County, not just the ones FEMA mandates, 1.5% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
Where Boone County ranks
Boone County sits at rank 495 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 1801 of 3144 by population (1 is biggest). Boone County, West Virginia is home to about 20,496 people across 502.37 square miles of land.
Checking a specific address in Boone County
155 of Boone County's 10,125 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 Boone 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.