How much flood risk does Nevada County actually carry?
Nevada County lands at the 24th 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 once every 1 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 Nevada County
Nevada 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 Nevada County, not just the ones FEMA mandates, 0.1% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
Where Nevada County ranks
Nevada County sits at rank 2431 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2572 of 3144 by population (1 is biggest). Nevada County, Arkansas is home to about 8,004 people across 617.79 square miles of land.
Checking a specific address in Nevada County
Across all of Nevada County's 3,947 residential structures, 5 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Nevada County's numbers. See the data quality guide for why Nevada County, like hundreds of other counties, doesn't get a clean compliance percentage.