Hampton County, SC flood risk explained
Flood hazard in Hampton County sits at the 34.7th national percentile, among the lowest flood hazard in the country; driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about once every 3 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 Hampton County
Homes with a federally backed mortgage inside Hampton 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, 18.6% of them do — 55 active policies against 295 structures FEMA counts in that zone, leaving a real compliance gap. Looking beyond the mandated zone, 0.8% of all residential structures in Hampton County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Hampton County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Hampton County ranks 2115 — 1 being the highest hazard nationally — and 1923 by population among all 3144 counties covered here, where 1 is the largest. Hampton County, South Carolina covers 559.975 square miles and counts roughly 18,172 residents.
Checking a specific address in Hampton County
Across all of Hampton County's 9,564 residential structures, 78 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where Hampton County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. If you're unsure why any of this insurance requirement exists at all, the SFHA explainer covers it from first principles.