Greene County, AL flood risk explained
Flood hazard in Greene County sits at the 32.8th 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 2 years. County-wide, not parcel-specific: FEMA's real flood-zone map is queried live, never shipped as a download.
Who actually carries the flood insurance FEMA requires
Homes with a federally backed mortgage inside Greene 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, 13% of them do — 67 active policies against 514 structures FEMA counts in that zone, leaving a real compliance gap. Looking beyond the mandated zone, 1.8% of all residential structures in Greene County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
How Greene County compares nationally
Among the 3144 US counties FEMA scores for flood hazard, Greene County ranks 2174 — 1 being the highest hazard nationally — and 2646 by population among all 3144 counties covered here, where 1 is the largest. About 7,127 people live in Greene County, Alabama, spread over 647.023 square miles.
Checking a specific address in Greene County
FEMA counts 3,867 residential structures in Greene County overall, 69 of them carrying some form of NFIP coverage — but a lender or insurer cares about one parcel, not that county total.
Where Greene 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.