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Map of Flood Risk in the United States

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

Data updated 2024 - Source: FEMA National Risk Index

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Category

environment

Native level

Census tract

Unit

Score (0-100)

Vintage

2024

States ranked by flood risk

51 states with data (2024). 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 · 2024

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