Counties with the Highest Natural Hazard Risk in New Jersey
The top 21 of 21 New Jersey counties on GIS Map, ranked by FEMA National Risk Index score (0-100, national percentile).
| # | County | Risk Index score |
|---|---|---|
| 1 | Bergen County | 97.8 |
| 2 | Middlesex County | 97.8 |
| 3 | Essex County | 97.7 |
| 4 | Hudson County | 97.2 |
| 5 | Monmouth County | 96.3 |
| 6 | Ocean County | 96.2 |
| 7 | Passaic County | 95.8 |
| 8 | Union County | 95.5 |
| 9 | Mercer County | 95.4 |
| 10 | Burlington County | 93.6 |
| 11 | Camden County | 93.2 |
| 12 | Atlantic County | 93.0 |
| 13 | Morris County | 92.9 |
| 14 | Cape May County | 91.0 |
| 15 | Somerset County | 90.9 |
| 16 | Gloucester County | 86.6 |
| 17 | Cumberland County | 82.6 |
| 18 | Warren County | 80.8 |
| 19 | Hunterdon County | 78.7 |
| 20 | Sussex County | 77.4 |
| 21 | Salem County | 76.5 |
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 New Jersey”, https://gismap.land/rankings/new-jersey/highest-risk-counties. Figures from FEMA National Risk Index (December 2025).
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