Loading MoverMath…
Rankings · Risk
Riverine flood risk.
FEMA National Risk Index score for flooding along rivers and streams, combining how often it happens with what it would cost. Separate from coastal flooding beside it, because inland and shoreline flooding threaten different places for different reasons. Flood is the most common and most expensive natural disaster in the United States, and standard homeowner policies do not cover it.
Alaska has the lowest published flood risk in this comparison, at 18.8. The next states shown are North Dakota (49.2) and Wyoming (54.1).
The table orders 51 states by riverine flood risk. It describes one published measure, not an overall judgment about where to live.
Use the result as a starting point, then compare the underlying source, dates, and local county figures before making a decision. FEMA National Risk Index score for flooding along rivers and streams, combining how often it happens with what it would cost. Separate from coastal flooding beside it, because inland and shoreline flooding threaten different places for different reasons. Flood is the most common and most expensive natural disaster in the United States, and standard homeowner policies do not cover it.
These guides combine this measure with other clearly named inputs; they are not overall state verdicts.
Free to use. The chart names its source and links back, so it stays honest wherever it ends up.
<iframe src="https://movermath.com/embed/flood-risk" width="100%" height="420" style="border:0" loading="lazy" title="Riverine flood risk by state"></iframe>Source: FEMA National Risk Index. · How this is built