Is Wayne County, IA in a flood zone?
FEMA's National Risk Index puts Wayne County's flood hazard at the 14th percentile nationally — among the lowest flood hazard in the country — driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 2.7 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 Wayne County
Out of 3 homes FEMA counts inside Wayne County's mapped flood zone, 0 carry the flood policy federal law requires there — 0% compliance, short of full coverage. Across all residential structures in Wayne County, not just the ones FEMA mandates, 0% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How Wayne County compares nationally
Wayne County sits at rank 2736 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2688 of 3144 by population (1 is biggest). About 6,622 people live in Wayne County, Iowa, spread over 525.469 square miles.
Your street may differ from Wayne County's average
Across all of Wayne County's 3,660 residential structures, 0 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Wayne 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.