How much flood risk does New Madrid County actually carry?
New Madrid County lands at the 22.6th percentile of FEMA's National Risk Index for flooding, "Very Low" territory — among the lowest flood hazard in the country — with the hazard driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 2.6 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 New Madrid County
New Madrid County is one of the counties where FEMA's own denominator for mandated flood-zone structures is missing, so no compliance rate is shown rather than a guessed one — the data quality guide covers how common this is. Across all residential structures in New Madrid County, not just the ones FEMA mandates, 4% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How New Madrid County compares nationally
New Madrid County sits at rank 2475 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2080 of 3144 by population (1 is biggest). New Madrid County, Missouri covers 674.884 square miles and counts roughly 15,212 residents.
Your street may differ from New Madrid County's average
306 of New Madrid County's 7,591 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed New Madrid County's numbers. See the data quality guide for why New Madrid County, like hundreds of other counties, doesn't get a clean compliance percentage.