FloodZoneCheck

Alamance County, NC flood risk explained

Flood hazard in Alamance County sits at the 83.9th national percentile, a middling flood hazard by national standards; driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about 1.3 times a year. County-wide, not parcel-specific: FEMA's real flood-zone map is queried live, never shipped as a download.

Alamance County's flood-insurance compliance gap

53.3% of the homes FEMA requires to carry flood insurance in Alamance County — those inside the mapped Special Flood Hazard Area — actually have a policy in force: 186 policies against 349 mandated structures, which means a meaningful share of legally-required coverage simply isn't there. Looking beyond the mandated zone, 0.6% of all residential structures in Alamance County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.

Where Alamance County ranks

Among the 3144 US counties FEMA scores for flood hazard, Alamance County ranks 531 — 1 being the highest hazard nationally — and 380 by population among all 3144 counties covered here, where 1 is the largest. Alamance County, North Carolina covers 423.465 square miles and counts roughly 183,040 residents.

Your street may differ from Alamance County's average

338 of Alamance County's 61,545 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.

Check your address on FEMA's Flood Map Service Center

Where Alamance 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.