Keweenaw County, MI: flood risk, in FEMA's own numbers
On FEMA's National Risk Index, Keweenaw County scores at the 14.8th percentile for flood hazard, rated "Very Low" — among the lowest flood hazard in the country. The hazard here is split between inland river flooding (about once every 4 years) and coastal storm surge (about once every 128347306 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 Keweenaw County
FEMA hasn't published a residential structure count for Keweenaw County'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 Keweenaw County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Keweenaw County against the rest of the country
Among the 3144 US counties FEMA scores for flood hazard, Keweenaw County ranks 2713 — 1 being the highest hazard nationally — and 3028 by population among all 3144 counties covered here, where 1 is the largest. Keweenaw County, Michigan covers 540.112 square miles and counts roughly 2,161 residents.
Checking a specific address in Keweenaw County
Across all of Keweenaw County's 2,238 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 Keweenaw County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Keweenaw County'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.