Warren County Disaster Risk
Warren County, New Jersey
FEMA Risk Rating
Relatively Low
National Percentile
81th
of 3,144 counties
State Rank
#18
of 21 (1 = highest risk)
Flood Risk
87th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Moderate
Higher than 87% of US counties
Wildfire
Wildland and wildland-urban interface fire risk
Very Low
Higher than 23% of US counties
Tornado
Tornado and severe thunderstorm risk
Relatively Low
Higher than 50% of US counties
Earthquake
Seismic activity and ground shaking risk
Relatively Low
Higher than 71% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively Low
Higher than 80% of US counties
Risk Overview
About Natural Disaster Risk in Warren County, New Jersey
Warren's risk sits modestly below national average
Warren County scores 80.76 on the composite risk scale, earning a relatively low risk rating that falls below national averages for comparable counties. This favorable standing reflects Warren's generally moderate exposure to natural disasters, making it a relatively safer choice within its region.
Warren ranks well below New Jersey's average
At 80.76, Warren scores considerably below New Jersey's state average of 90.81, placing it in the lower half of the state's risk distribution. This below-average standing positions Warren as one of the safer counties for natural disaster exposure statewide.
Warren matches Sussex and Salem in safety
Warren (80.76) aligns closely with Sussex (77.45) and Salem (76.53) in relative safety, forming a lower-risk zone in northwestern and southern New Jersey. All three counties significantly outperform Somerset (90.94) and especially Union (95.48).
Flooding and hurricanes lead Warren's hazards
Flood risk registers at 86.55 in Warren County, reflecting vulnerability near river systems and seasonal precipitation events. Hurricane exposure reaches 79.93, while tornado and wildfire risks remain comparatively low at 49.68 and 23.44 respectively.
Secure flood and wind protection early
Warren residents should obtain flood insurance given the county's 86.55 flood risk score, particularly those near waterways and flood-prone zones. Homeowners should also review wind and hurricane coverage in standard policies to ensure adequate protection during severe storm seasons.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Warren County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Warren County
Risk Verdict
Warren County has a below-average natural disaster risk profile, scoring at the 81th percentile nationally under FEMA's National Risk Index. This risk level calls for more than general awareness: insurance coverage review, a family communication plan, and a prepared go-bag are practical priorities.
Hazard Breakdown
Flood risk is Warren County's dominant natural hazard, ranked at the 87th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 80th percentile nationally. Additional tracked hazards include earthquake (71th percentile), tornado (50th percentile), wildfire (23th percentile).
Preparedness Context
Warren County's top natural hazard is flood risk, ranked at the 87th percentile nationally. Homeowners here should confirm whether they are in a FEMA-designated flood zone and check if standard homeowners insurance covers flood damage — it typically does not. Alongside flooding, hurricane exposure at the 80th percentile means households benefit from a multi-hazard preparedness plan rather than focusing on flood alone. For most Warren County households, the highest-return preparedness step is storing critical documents in digital cloud backup combined with a pre-designated family meeting point if communication is disrupted.
Regional Context
The New Jersey county average exceeds Warren County's score by 10.1 composite points — placing this county in the lower-risk tier relative to its in-state peers.
Is your household prepared for Warren County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Warren County, NJ?
What types of natural hazards affect Warren County?
How does Warren County risk compare to the New Jersey average?
Is Warren County at risk for flooding?
How is natural disaster risk measured?
Is Warren County a safe place to live?
Data Source
Risk data sourced from the FEMA National Risk Index (NRI). Risk scores are relative rankings (0–100) across all US counties — not absolute risk measures. Higher scores indicate higher relative risk compared to other counties.
Disclaimer: This data is informational only. It is not financial, insurance, or legal advice. Always consult a qualified professional before making insurance or real estate decisions.