Fayette County, OH flood risk explained
Flood hazard in Fayette County sits at the 42.5th national percentile, below the national norm for flood 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. County-wide, not parcel-specific: FEMA's real flood-zone map is queried live, never shipped as a download.
Mandatory flood insurance compliance in Fayette County
FEMA hasn't published a residential structure count for Fayette County's mapped flood zone, so a reliable mandatory-compliance percentage can't be computed here — see the data quality guide for why this gap exists for roughly a quarter of US counties. Looking beyond the mandated zone, 0.2% of all residential structures in Fayette County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Fayette County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Fayette County ranks 1870 — 1 being the highest hazard nationally — and 1481 by population among all 3144 counties covered here, where 1 is the largest. Fayette County, Ohio covers 406.361 square miles and counts roughly 28,782 residents.
Your street may differ from Fayette County's average
Across all of Fayette County's 15,077 residential structures, 34 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where Fayette County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Fayette County's compliance figure is one of the ones affected by FEMA's incomplete denominator data — the data quality guide explains what that means and how many counties it touches.