Lafayette County, FL flood risk explained
Flood hazard in Lafayette County sits at the 22th national percentile, among the lowest flood hazard in the country; split between inland river flooding (about once every 2 years) and coastal storm surge (about once every 100 years). This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Lafayette County's flood-insurance compliance gap
Homes with a federally backed mortgage inside Lafayette 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, 16.9% of them do — 139 active policies against 823 structures FEMA counts in that zone, leaving a real compliance gap. Looking beyond the mandated zone, 4% of all residential structures in Lafayette County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Lafayette County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Lafayette County ranks 2494 — 1 being the highest hazard nationally — and 2520 by population among all 3144 counties covered here, where 1 is the largest. Lafayette County, Florida covers 543.345 square miles and counts roughly 8,640 residents.
Checking a specific address in Lafayette County
Across all of Lafayette County's 3,659 residential structures, 146 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where Lafayette County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Lafayette County's coastal exposure is covered in the coastal vs. inland flood risk guide, including how storm surge risk differs from river flooding.