Is Socorro County, NM in a flood zone?
FEMA's National Risk Index puts Socorro County's flood hazard at the 76.2th percentile nationally — a middling flood hazard by national standards — driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 1.4 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.
Socorro County's flood-insurance compliance gap
Homes with a federally backed mortgage inside Socorro County's mapped high-risk flood zone (the Special Flood Hazard Area, or SFHA) are legally required to carry an NFIP flood policy. In practice, 8.3% of them do — 120 active policies against 1,451 structures FEMA counts in that zone, leaving a real compliance gap. Across all residential structures in Socorro County, not just the ones FEMA mandates, 2.1% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
Socorro County against the rest of the country
Socorro County sits at rank 784 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2039 of 3144 by population (1 is biggest). About 15,967 people live in Socorro County, New Mexico, spread over 6,646.387 square miles.
Checking a specific address in Socorro County
Across all of Socorro County's 6,871 residential structures, 144 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 Socorro County's numbers. The guide to what the Special Flood Hazard Area actually means explains why the mandatory-insurance rule exists and who it applies to.