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Map of Flood Risk by US State

As of FEMA NRI v1.20, flood risk ranges from 24.7 in Utah to 81.3 in West Virginia across US states, with a median of 57.9 among the 51 states with data. Source: FEMA National Risk Index.

Risk score (0-100) for riverine and coastal flooding combined. Higher means greater expected annual loss from flood events.

Source: FEMA National Risk Index

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Choropleth map of Flood Risk across US states (FEMA NRI v1.20), by hearthmap
Flood Risk by US state. Source: FEMA National Risk Index.

Category

environment

Native level

Census tract

Unit

Score (0-100)

Vintage

FEMA NRI v1.20

States ranked by flood risk

51 states with data (FEMA NRI v1.20). Top 10 highest and bottom 10 lowest.

Top 10 states by flood risk
RankStateValue
1West Virginia81.3
2Hawaii80.2
3Delaware75.8
4Louisiana73.2
5Connecticut72.7
6California71.2
7Arizona69.9
8New Jersey68.1
9Rhode Island67.8
10Florida67.5
Bottom 10 states by flood risk
RankStateValue
51Utah24.7
50Alaska27.1
49District of Columbia29.1
48Maryland37.1
47Colorado41.7
46Michigan45.2
45Nebraska47.8
44New York48.5
43Georgia49.7
42Idaho49.9

About this map

hearthmap renders flood risk as a choropleth map of the United States. Zoom in to see census tract values shaded against the rest of the country, and click any region to see its exact value with margin of error.

You can layer filters and a custom match score on top of flood riskto find places that match what matters to you. Combine it with school ratings, housing prices, commute times, and more.

Source: FEMA National Risk Index · FEMA NRI v1.20

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