How much flood risk does Millard County actually carry?
Millard County lands at the 16.3th percentile of FEMA's National Risk Index for flooding, "Very Low" territory — among the lowest flood hazard in the country — with the hazard driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about once every 3 years. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Millard County's flood-insurance compliance gap
Millard County is one of the counties where FEMA's own denominator for mandated flood-zone structures is missing, so no compliance rate is shown rather than a guessed one — the data quality guide covers how common this is. Across all residential structures in Millard County, not just the ones FEMA mandates, 0.1% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How Millard County compares nationally
Millard County sits at rank 2664 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2182 of 3144 by population (1 is biggest). Millard County, Utah is home to about 13,572 people across 6,785.482 square miles of land.
Your street may differ from Millard County's average
3 of Millard County's 4,622 residential structures carry flood coverage of some kind, per FEMA's latest count — useful context, not a substitute for checking one parcel.
More on how this number was built
The methodology guide shows exactly which FEMA and Census tables feed Millard County's numbers. See the data quality guide for why Millard County, like hundreds of other counties, doesn't get a clean compliance percentage.