riskbycounty
FEMA National Risk Index

Morris County Disaster Risk

Morris County, New Jersey

FEMA Risk Rating

Relatively Moderate

National Percentile

93th

of 3,144 counties

State Rank

#13

of 21 (1 = highest risk)

Flood Risk

96th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 96% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 30% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 80% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 89% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 85% of US counties

Risk Advisory: Morris County

Risk Verdict

Morris County has a relatively moderate overall disaster risk profile, scoring in the 93th percentile nationally. While not in the highest tier, this county faces meaningful hazard exposure. Residents are encouraged to understand their specific risks and maintain emergency supplies.

Hazard Breakdown

Flood risk is the dominant hazard for Morris County, scoring in the 96th percentile nationally. It is followed by earthquake risk at the 89th percentile. Additional hazards include hurricane (85th), tornado (80th), wildfire (30th).

Preparedness Context

With flood risk as the top concern, Morris County residents should review flood insurance needs (standard home insurance does not cover flood damage), know your evacuation zone, and keep important documents waterproofed. Secondary risks such as earthquake also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Morris County has a disaster risk profile close to the average county in New Jersey. Its composite risk score is within 2.1 points of the state average, meaning its overall hazard exposure is broadly representative of New Jersey as a whole.

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Frequently Asked Questions

What is the natural disaster risk in Morris County, NJ?
Morris County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 93th percentile nationally out of 3,144 counties. This composite score reflects the county's overall exposure to natural hazards including floods, wildfires, tornadoes, earthquakes, and hurricanes, weighted by expected annual loss and social vulnerability.
What types of natural hazards affect Morris County?
Morris County is evaluated for five major natural hazard types: flooding (96th percentile), earthquake (89th percentile), hurricane (85th percentile), tornado (80th percentile), wildfire (30th percentile). The highest-risk hazard is flooding at the 96th percentile nationally. These scores are derived from FEMA's National Risk Index, which analyzes expected annual loss, social vulnerability, and community resilience for each hazard type.
How does Morris County risk compare to the New Jersey average?
Morris County's composite risk percentile is 93th, compared to the New Jersey state average of 91th percentile. The state's overall risk rating is Relatively Moderate. This means Morris County faces higher natural disaster risk than the typical county in New Jersey.
Is Morris County at risk for flooding?
Yes, Morris County's flooding risk is at the 96th percentile nationally. This places it in the top quartile for this hazard type.
How is natural disaster risk measured?
FEMA's National Risk Index (NRI) calculates risk scores for 18 natural hazard types across all U.S. counties and census tracts. The composite score combines Expected Annual Loss (estimated dollar losses from each hazard), Social Vulnerability (demographic factors affecting disaster impact), and Community Resilience (ability to recover). Percentile scores rank each county against all 3,144 U.S. counties, and risk ratings range from Very Low to Very High.
Why is Morris County higher risk than average?
Morris County's composite risk score of 93th percentile is above the New Jersey state average of 91th percentile. This elevated risk is driven by flooding exposure (96th percentile), along with earthquake and hurricane and tornado risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.

Counties with Similar Risk

Atlantic County

New Jersey

+0.1

Relatively Moderate

93th percentile

Camden County

New Jersey

+0.3

Relatively Moderate

93th percentile

Burlington County

New Jersey

+0.7

Relatively Moderate

94th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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.

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