Walton County, FL flood risk explained
Flood hazard in Walton County sits at the 68.3th national percentile, a middling flood hazard by national standards; split between inland river flooding (about 1.4 times a year) and coastal storm surge (about 2.1 times a year). This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Walton County's flood-insurance compliance gap
Out of 4,608 homes FEMA counts inside Walton County's mapped flood zone, 3,240 carry the flood policy federal law requires there — 70.3% compliance, short of full coverage. Looking beyond the mandated zone, 20.4% of all residential structures in Walton County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Walton County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Walton County ranks 1039 — 1 being the highest hazard nationally — and 670 by population among all 3144 counties covered here, where 1 is the largest. About 89,666 people live in Walton County, Florida, spread over 1,038.376 square miles.
What to do next if you own or are buying in Walton County
8,647 of Walton County's 42,368 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
Where Walton County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Walton County's coastal exposure is covered in the coastal vs. inland flood risk guide, including how storm surge risk differs from river flooding.