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US Counties With the Highest Natural Disaster Risk

These counties carry the highest overall natural disaster risk in the United States according to FEMA's National Risk Index, which combines 18 hazard types with social vulnerability and community resilience. Scores are normalized 1–10. Click any county to see its full hazard breakdown.

# County Overall risk
1 Harris County 8.7
2 Prince George's County 8.3
3 Baltimore County 8.3
4 Mobile County 8.3
5 Hidalgo County 8.2
6 Middlesex County 8.2
7 Bucks County 8.2
8 Berks County 8.2
9 Philadelphia County 8.1
10 Westchester County 8.1
11 Capitol County 8.1
12 Tulsa County 8.1
13 Lancaster County 8.1
14 Nueces County 8.1
15 Caddo County 8.1
16 Hinds County 8.1
17 Cook County 8.0
18 Tarrant County 8.0
19 Bexar County 8.0
20 Oklahoma County 8.0
21 Ocean County 8.0
22 Jefferson County 8.0
23 Camden County 8.0
24 Burlington County 8.0
25 Cameron County 8.0
26 Orange County 8.0
27 Kings County 7.9
28 Dallas County 7.9
29 Middlesex County 7.9
30 Suffolk County 7.9
31 Montgomery County 7.9
32 St. Louis County 7.9
33 Fort Bend County 7.9
34 Montgomery County 7.9
35 New Castle County 7.9
36 Sedgwick County 7.9
37 East Baton Rouge County 7.9
38 Richland County 7.9
39 Pulaski County 7.9
40 Larimer County 7.9
41 Horry County 7.9
42 Cleveland County 7.9
43 St. Tammany County 7.9
44 Jefferson County 7.9
45 Sussex County 7.9
46 Ulster County 7.9
47 Queens County 7.8
48 Travis County 7.8
49 Gwinnett County 7.8
50 Erie County 7.8

Source: FEMA National Risk Index. Scores normalized 1–10. City scores inherit county-level FEMA data. For informational purposes only.

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