Crockett County, TN: flood risk, in FEMA's own numbers
On FEMA's National Risk Index, Crockett County scores at the 14.1th 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 1.2 times a year. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Who actually carries the flood insurance FEMA requires
Homes with a federally backed mortgage inside Crockett 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, 5.3% of them do — 4 active policies against 76 structures FEMA counts in that zone, leaving a real compliance gap. Looking beyond the mandated zone, 0.2% of all residential structures in Crockett County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Crockett County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Crockett County ranks 2731 — 1 being the highest hazard nationally — and 2163 by population among all 3144 counties covered here, where 1 is the largest. Crockett County, Tennessee is home to about 13,973 people across 265.528 square miles of land.
Your street may differ from Crockett County's average
Across all of Crockett County's 6,698 residential structures, 11 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where Crockett 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.