Adair County, MO: flood risk, in FEMA's own numbers
On FEMA's National Risk Index, Adair County scores at the 31.4th percentile for flood hazard, rated "Very Low" — among the lowest flood hazard in the country. The hazard here is driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 1.1 times a year. That's a county-wide figure, not a per-address one — FEMA's parcel maps are a live lookup, not a bulk file.
Mandatory flood insurance compliance in Adair County
FEMA hasn't published a residential structure count for Adair 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, 0.1% of all residential structures in Adair County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Adair County ranks
Among the 3144 US counties FEMA scores for flood hazard, Adair County ranks 2214 — 1 being the highest hazard nationally — and 1599 by population among all 3144 counties covered here, where 1 is the largest. About 25,660 people live in Adair County, Missouri, spread over 567.324 square miles.
What to do next if you own or are buying in Adair County
Across all of Adair County's 10,423 residential structures, 5 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where Adair County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Adair 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.