Jasper County, MS: flood risk, in FEMA's own numbers
On FEMA's National Risk Index, Jasper County scores at the 26.9th percentile for flood hazard, rated "Very Low" — among the lowest flood hazard in the country. The hazard here is 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. County-wide, not parcel-specific: FEMA's real flood-zone map is queried live, never shipped as a download.
Mandatory flood insurance compliance in Jasper County
18.8% of the homes FEMA requires to carry flood insurance in Jasper County — those inside the mapped Special Flood Hazard Area — actually have a policy in force: 16 policies against 85 mandated structures, which means a meaningful share of legally-required coverage simply isn't there. Looking beyond the mandated zone, 0.3% of all residential structures in Jasper County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Jasper County ranks
Among the 3144 US counties FEMA scores for flood hazard, Jasper County ranks 2347 — 1 being the highest hazard nationally — and 2048 by population among all 3144 counties covered here, where 1 is the largest. About 15,799 people live in Jasper County, Mississippi, spread over 676.311 square miles.
Your street may differ from Jasper County's average
21 of Jasper County's 7,753 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
Where Jasper 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.