Copper River Census Area, AK: flood risk, in FEMA's own numbers
On FEMA's National Risk Index, Copper River Census Area scores at the 1.9th percentile for flood hazard, rated "No Rating" — not rated by FEMA’s risk index. The hazard here is split between inland river flooding (about once every 200 years) and coastal storm surge (about once every Infinity 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 Copper River Census Area
FEMA hasn't published a residential structure count for Copper River Census Area's mapped flood zone, so a reliable mandatory-compliance percentage can't be computed here — see the data quality guide for why this gap exists for roughly a quarter of US counties. Looking beyond the mandated zone, 0% of all residential structures in Copper River Census Area carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Copper River Census Area ranks
Among the 3144 US counties FEMA scores for flood hazard, Copper River Census Area ranks 3088 — 1 being the highest hazard nationally — and 2987 by population among all 3144 counties covered here, where 1 is the largest. Copper River Census Area, Alaska is home to about 2,631 people across 24,647.357 square miles of land.
Your street may differ from Copper River Census Area's average
Across all of Copper River Census Area's 1,774 residential structures, 0 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
Where Copper River Census Area's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Copper River Census Area's compliance figure is one of the ones affected by FEMA's incomplete denominator data — the data quality guide explains what that means and how many counties it touches.