Jessamine County, KY flood risk explained
Flood hazard in Jessamine County sits at the 42.3th national percentile, below the national norm for flood hazard; driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about once every 1 years. That's a county-wide figure, not a per-address one — FEMA's parcel maps are a live lookup, not a bulk file.
Jessamine County's flood-insurance compliance gap
Homes with a federally backed mortgage inside Jessamine 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, 31% of them do — 75 active policies against 242 structures FEMA counts in that zone, leaving a real compliance gap. Looking beyond the mandated zone, 0.6% of all residential structures in Jessamine County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Jessamine County ranks
Among the 3144 US counties FEMA scores for flood hazard, Jessamine County ranks 1875 — 1 being the highest hazard nationally — and 930 by population among all 3144 counties covered here, where 1 is the largest. About 56,495 people live in Jessamine County, Kentucky, spread over 172.113 square miles.
What to do next if you own or are buying in Jessamine County
97 of Jessamine County's 17,684 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
Where Jessamine 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.