How much flood risk does Orange County actually carry?
Orange County lands at the 50th percentile of FEMA's National Risk Index for flooding, "Relatively Low" territory — below the national norm for flood hazard — with the hazard driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 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 Orange County
Orange 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 Orange County, not just the ones FEMA mandates, 0.9% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
Where Orange County ranks
Orange County sits at rank 1632 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 1444 of 3144 by population (1 is biggest). About 30,050 people live in Orange County, Vermont, spread over 687.009 square miles.
Checking a specific address in Orange County
Across all of Orange County's 13,688 residential structures, 120 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 Orange County's numbers. See the data quality guide for why Orange County, like hundreds of other counties, doesn't get a clean compliance percentage.