Yuba County, CA flood risk explained
Flood hazard in Yuba County sits at the 83.8th 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 once every 2 years. That's a county-wide figure, not a per-address one — FEMA's parcel maps are a live lookup, not a bulk file.
Mandatory flood insurance compliance in Yuba County
Out of 1,467 homes FEMA counts inside Yuba County's mapped flood zone, 418 carry the flood policy federal law requires there — 28.5% compliance, short of full coverage. Looking beyond the mandated zone, 4.9% of all residential structures in Yuba County carry flood coverage voluntarily or otherwise — relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Yuba County ranks
Among the 3144 US counties FEMA scores for flood hazard, Yuba County ranks 532 — 1 being the highest hazard nationally — and 679 by population among all 3144 counties covered here, where 1 is the largest. Yuba County, California is home to about 87,469 people across 632.006 square miles of land.
Your street may differ from Yuba County's average
FEMA counts 25,888 residential structures in Yuba County overall, 1,271 of them carrying some form of NFIP coverage — but a lender or insurer cares about one parcel, not that county total.
Where Yuba 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.