Is Sitka City and Borough, AK in a flood zone?
FEMA's National Risk Index puts Sitka City and Borough's flood hazard at the 34th percentile nationally — among the lowest flood hazard in the country — driven by coastal storm surge rather than inland rivers — FEMA's model puts a surge event here at about once every 100 years. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Mandatory flood insurance compliance in Sitka City and Borough
Out of 110 homes FEMA counts inside Sitka City and Borough's mapped flood zone, 35 carry the flood policy federal law requires there — 31.8% compliance, short of full coverage. Across all residential structures in Sitka City and Borough, not just the ones FEMA mandates, 2.1% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
Sitka City and Borough against the rest of the country
Sitka City and Borough sits at rank 2136 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2550 of 3144 by population (1 is biggest). Sitka City and Borough, Alaska covers 2,870.201 square miles and counts roughly 8,355 residents.
What to do next if you own or are buying in Sitka City and Borough
Across all of Sitka City and Borough's 2,644 residential structures, 55 carry an NFIP policy today — a county-wide count that still can't tell you one address's own mapped zone.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Sitka City and Borough's numbers. Because storm surge plays a real role here, the guide to coastal vs. inland flood hazard is worth reading alongside this page.