Davis County, IA flood risk explained
Flood hazard in Davis County sits at the 32.7th national percentile, 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 once every 1 years. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Davis County's flood-insurance compliance gap
Out of 31 homes FEMA counts inside Davis County's mapped flood zone, 0 carry the flood policy federal law requires there — 0% compliance, short of full coverage. Looking beyond the mandated zone, 0% of all residential structures in Davis County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Davis County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Davis County ranks 2176 — 1 being the highest hazard nationally — and 2472 by population among all 3144 counties covered here, where 1 is the largest. Davis County, Iowa is home to about 9,193 people across 502.188 square miles of land.
What to do next if you own or are buying in Davis County
0 of Davis County's 6,714 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
Where Davis County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. If you're unsure why any of this insurance requirement exists at all, the SFHA explainer covers it from first principles.