How much flood risk does Osceola County actually carry?
Osceola County lands at the 92.1th percentile of FEMA's National Risk Index for flooding, "Relatively Moderate" territory — a middling flood hazard by national standards — 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 2 years. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Osceola County's flood-insurance compliance gap
35.9% of the homes FEMA requires to carry flood insurance in Osceola County — those inside the mapped Special Flood Hazard Area — actually have a policy in force: 5,159 policies against 14,370 mandated structures, which means a meaningful share of legally-required coverage simply isn't there. Across all residential structures in Osceola County, not just the ones FEMA mandates, 6% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How Osceola County compares nationally
Osceola County sits at rank 265 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 158 of 3144 by population (1 is biggest). About 468,058 people live in Osceola County, Florida, spread over 1,327.455 square miles.
What to do next if you own or are buying in Osceola County
7,888 of Osceola County's 131,130 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 Osceola 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.