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RankingsMarylandHighest hazard risk counties

Counties with the Highest Natural Hazard Risk in Maryland

The top 24 of 24 Maryland counties on GIS Map, ranked by FEMA National Risk Index score (0-100, national percentile).

#CountyRisk Index score
1Baltimore city
95.0
2Baltimore County
94.0
3Prince George's County
93.2
4Montgomery County
91.7
5Anne Arundel County
81.9
6Frederick County
74.2
7Harford County
72.5
8Howard County
72.4
9Washington County
68.8
10Worcester County
68.2
11Wicomico County
60.8
12Somerset County
59.6
13Carroll County
59.5
14Cecil County
58.6
15Allegany County
58.5
16Dorchester County
53.8
17Caroline County
45.7
18Charles County
44.1
19St. Mary's County
42.6
20Talbot County
42.4
21Queen Anne's County
35.6
22Calvert County
28.9
23Kent County
27.5
24Garrett County
16.0

Source: FEMA National Risk Index (December 2025). All counties with data are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Counties with the Highest Natural Hazard Risk in Maryland”, https://gismap.land/rankings/maryland/highest-risk-counties. Figures from FEMA National Risk Index (December 2025).

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