Thomas County, NE Flood Zone & Flood Risk Data
Thomas County, NE: flood risk, in FEMA's own numbers
On FEMA's National Risk Index, Thomas County scores at the 1th percentile for flood hazard, rated "Very Low", among the lowest flood hazard in the country. The hazard here is driven by inland rivers and flash flooding rather than the coast, FEMA's model puts a flood event here at about once every 9 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 Thomas County
FEMA hasn't published a residential structure count for Thomas County's mapped flood zone, so a reliable mandatory-compliance percentage can't be computed here, see the data quality guide for why this gap exists for roughly a quarter of US counties. Looking beyond the mandated zone, 0% of all residential structures in Thomas County carry flood coverage voluntarily or otherwise, relevant because most NFIP claims nationally come from outside the mapped SFHA.
Where Thomas County ranks
Among the 3144 US counties FEMA scores for flood hazard, Thomas County ranks 3118, 1 being the highest hazard nationally, and 3132 by population among all 3144 counties covered here, where 1 is the largest. Thomas County, Nebraska is home to about 634 people across 712.554 square miles of land.
Checking a specific address in Thomas County
0 of Thomas County's 581 residential structures carry flood coverage of some kind, per FEMA's latest count, useful context, not a substitute for checking one parcel.
Where Thomas County's figures come from
Every figure on this page traces to a named FEMA dataset, documented in the methodology guide. Thomas County's compliance figure is one of the ones affected by FEMA's incomplete denominator data, the data quality guide explains what that means and how many counties it touches.