Wallace County, KS flood risk explained
Flood hazard in Wallace County sits at the 3.3th 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.
Wallace County's flood-insurance compliance gap
FEMA hasn't published a residential structure count for Wallace 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 Wallace County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Wallace County ranks
Among the 3144 US counties FEMA scores for flood hazard, Wallace County ranks 3047 — 1 being the highest hazard nationally — and 3081 by population among all 3144 counties covered here, where 1 is the largest. Wallace County, Kansas covers 913.652 square miles and counts roughly 1,472 residents.
Your street may differ from Wallace County's average
Across all of Wallace County's 1,153 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 Wallace County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Wallace 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.