riskbycounty
FEMA NRI 1.19.0Updated Nov 2023 · Coverage 2014–2023Methodology

Orange County Disaster Risk

Orange County, New York

FEMA Risk Rating

Relatively Moderate

National Percentile

91th

of 3,144 counties

State Rank

#12

of 62 (1 = highest risk)

Flood Risk

93th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 93% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 51% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 82% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 87% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 91% of US counties

Risk Overview

About Natural Disaster Risk in Orange County, New York

Orange County: High Risk by National Standards

Orange County scores 90.59 on composite disaster risk, positioning it in the upper tier of American counties by hazard exposure and earning a relatively moderate risk rating. This score reflects broad and serious exposure across multiple disaster types, with particularly acute threats from flooding, earthquakes, and hurricanes. Orange residents face a substantial and varied natural disaster threat profile compared to the nation.

Orange: Third-Highest Risk in New York

Orange County ranks among New York's highest-risk counties with a composite score of 90.59 compared to the state average of 69.42. This places Orange in the top tier of risk exposure statewide, exceeded only by a handful of peers. New Yorkers in Orange County face disaster threats that exceed typical state risk levels by a significant margin.

Orange Leads Hudson Valley Risk Profile

Orange County (90.59) has substantially higher composite risk than Putnam County (39.82), its primary neighbor to the east, despite some shared geographical characteristics. This difference reflects Orange's greater exposure to flooding, earthquake activity, and hurricane hazards. Orange residents confront significantly more serious disaster risks than their counterparts across the Hudson Valley.

Hurricane, Flood, and Earthquake Threats Peak Here

Orange County faces exceptional hurricane risk (90.82), exceptional flood exposure (93.42), and significant earthquake hazard (87.34), making it uniquely vulnerable to multiple major disasters. Hurricanes and tropical storms pose seasonal but potentially catastrophic threats, while flooding affects the county year-round. These three hazard types create a complex and serious risk landscape requiring comprehensive preparation.

Multi-Hazard Insurance Coverage is Critical

Orange County residents must secure flood insurance separately (given the 93.42 flood risk) and verify strong wind and hurricane coverage in homeowners policies. Earthquake insurance should also be evaluated given Orange's 87.34 earthquake risk score. Work with an insurance professional to ensure you're protected against all three major threats to your property.

Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor

Preparedness Guide

What to Prepare for in Orange County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    93th percentile
  2. #2
    HurricanePrepare
    91th percentile
  3. #3
    EarthquakePrepare
    87th percentile

Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)

Risk Advisory: Orange County

Risk Verdict

Orange County faces a moderate natural disaster risk profile, ranking at the 91th percentile nationally under FEMA's composite risk model. 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 Orange County's dominant natural hazard, ranked at the 93th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 91th percentile nationally. Additional tracked hazards include earthquake (87th percentile), tornado (82th percentile), wildfire (51th percentile).

Preparedness Context

Orange County's top natural hazard is flood risk, ranked at the 93th 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. Secondary hurricane exposure at the 91th percentile adds a second preparedness layer; households should review coverage options and alert sign-up for both hazard types. For most Orange 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

Orange County's composite risk score sits 21.2 points above the New York county average, placing it among the more hazard-exposed counties in the state.

Is your household prepared for Orange County's hazards?

Review FEMA's county-specific preparedness checklists and emergency planning guides.

FEMA Ready Guide →

Frequently Asked Questions

What is the natural disaster risk in Orange County, NY?
Orange County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 91th 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 Orange County?
Orange County is evaluated for five major natural hazard types: flooding (93th percentile), hurricane (91th percentile), earthquake (87th percentile), tornado (82th percentile), wildfire (51th percentile). The highest-risk hazard is flooding at the 93th 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 Orange County risk compare to the New York average?
Orange County's composite risk percentile is 91th, compared to the New York state average of 69th percentile. The state's overall risk rating is Relatively Low. This means Orange County faces higher natural disaster risk than the typical county in New York.
Is Orange County at risk for flooding?
Yes, Orange County's flooding risk is at the 93th 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 Orange County higher risk than average?
Orange County's composite risk score of 91th percentile is above the New York state average of 69th percentile. This elevated risk is driven by flooding exposure (93th percentile), along with hurricane and earthquake and tornado and wildfire risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, 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.