Is Atoka County, OK in a flood zone?
FEMA's National Risk Index puts Atoka County's flood hazard at the 20.5th percentile nationally — among the lowest flood hazard in the country — driven by inland rivers and flash flooding rather than the coast — FEMA's model puts a flood event here at about once every 1 years. This describes the county, not any one street — FEMA only publishes exact parcel zones through a live map service.
Who actually carries the flood insurance FEMA requires
Atoka 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 Atoka County, not just the ones FEMA mandates, 0% carry an NFIP policy — most flood damage nationally happens outside the mapped high-risk zone, so that broader number matters too.
How Atoka County compares nationally
Atoka County sits at rank 2540 of 3144 counties on FEMA's flood hazard scale (1 is worst) and rank 2118 of 3144 by population (1 is biggest). Atoka County, Oklahoma covers 975.454 square miles and counts roughly 14,600 residents.
What to do next if you own or are buying in Atoka County
Across all of Atoka County's 6,019 residential structures, 1 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 Atoka County's numbers. See the data quality guide for why Atoka County, like hundreds of other counties, doesn't get a clean compliance percentage.