Smith County, KS flood risk explained
Flood hazard in Smith County sits at the 10.1th 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 2 years. 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 Smith County
FEMA hasn't published a residential structure count for Smith 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% of all residential structures in Smith County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
How Smith County compares nationally
Among the 3144 US counties FEMA scores for flood hazard, Smith County ranks 2846 — 1 being the highest hazard nationally — and 2920 by population among all 3144 counties covered here, where 1 is the largest. About 3,541 people live in Smith County, Kansas, spread over 895.464 square miles.
Checking a specific address in Smith County
Across all of Smith County's 3,513 residential structures, 0 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where Smith County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Smith 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.