Rolette County, ND flood risk explained
Flood hazard in Rolette County sits at the 21.6th 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.
Mandatory flood insurance compliance in Rolette County
Homes with a federally backed mortgage inside Rolette 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, 3.6% of them do — 1 active policies against 28 structures FEMA counts in that zone, leaving a real compliance gap. Looking beyond the mandated zone, 0% of all residential structures in Rolette County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Rolette County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Rolette County ranks 2507 — 1 being the highest hazard nationally — and 2304 by population among all 3144 counties covered here, where 1 is the largest. Rolette County, North Dakota covers 903.042 square miles and counts roughly 11,692 residents.
Your street may differ from Rolette County's average
FEMA counts 5,318 residential structures in Rolette County overall, 2 of them carrying some form of NFIP coverage — but a lender or insurer cares about one parcel, not that county total.
Where Rolette 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.