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

Rockland County Disaster Risk

Rockland County, New York

FEMA Risk Rating

Relatively Moderate

National Percentile

88th

of 3,144 counties

State Rank

#13

of 62 (1 = highest risk)

Flood Risk

92th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 92% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 15% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 78% 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 86% of US counties

Risk Overview

About Natural Disaster Risk in Rockland County, New York

Rockland carries elevated moderate risk

Rockland County scores 88.42 on the composite risk scale, placing it in the Relatively Moderate category and well above the national average. This reflects substantial exposure to flooding, tornadoes, and earthquakes without the exceptional coastal focus seen in maritime counties. Rockland's moderate-to-high position demands attentive hazard planning.

Third-highest risk in New York

Rockland County ranks third statewide with a score of 88.42, trailing Queens (99.17) and Richmond (91.00)—27% above New York's average of 69.42. This places Rockland among the state's most hazard-exposed communities, tied closely with other Hudson Valley counties. Only two New York counties register notably higher composite risk.

Riskier than most upstate peers

Rockland (88.42) exceeds Saratoga County (73.03) by 15 points and Schenectady County (71.28) by 17 points. Within the Hudson Valley and Capital Region network, Rockland occupies a distinctly higher-risk position. This elevation reflects both geographic location and regional hazard patterns.

Flooding and earthquakes lead threats

Flood risk reaches 91.79, making water inundation Rockland's dominant hazard, while earthquake risk (88.71) signals significant seismic exposure. Tornado risk (77.51) adds a secondary but meaningful threat. These combined hazards reflect Rockland's location near water bodies and geological fault zones.

Prioritize flood and earthquake coverage

With flood risk at 91.79, NFIP or private flood insurance is essential for Rockland homeowners—standard policies exclude water damage. Earthquake insurance should be evaluated seriously given the 88.71 risk score. Contact your insurance agent to review all three hazard protections and close any gaps in your coverage.

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

Preparedness Guide

What to Prepare for in Rockland County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    92th percentile
  2. #2
    EarthquakePrepare
    89th percentile
  3. #3
    HurricanePrepare
    86th percentile

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

Risk Advisory: Rockland County

Risk Verdict

Rockland County's overall risk score at the 88th percentile nationally signals meaningful exposure to multiple natural hazard types. Comprehensive household preparedness — including reviewing insurance, maintaining emergency supplies, and knowing evacuation routes — is strongly recommended.

Hazard Breakdown

Flood risk is Rockland County's dominant natural hazard, ranked at the 92th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 89th percentile nationally. Additional tracked hazards include hurricane (86th percentile), tornado (78th percentile), wildfire (15th percentile).

Preparedness Context

Rockland County sits at the 92th percentile nationally for flood exposure. Knowing your property's flood zone designation — available at FEMA's Flood Map Service Center — is the first step toward understanding actual exposure and insurance options. Alongside flooding, earthquake exposure at the 89th percentile means households benefit from a multi-hazard preparedness plan rather than focusing on flood alone. Regardless of specific hazard, Rockland County households benefit from a practiced communication plan: a designated out-of-state contact and a pre-agreed evacuation destination established before the season's peak risk period.

Regional Context

Compared to other New York counties, Rockland County runs 19.0 composite risk points higher than the state mean — reflecting above-average hazard concentration in this area.

Is your household prepared for Rockland 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 Rockland County, NY?
Rockland County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 88th 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 Rockland County?
Rockland County is evaluated for five major natural hazard types: flooding (92th percentile), earthquake (89th percentile), hurricane (86th percentile), tornado (78th percentile), wildfire (15th percentile). The highest-risk hazard is flooding at the 92th 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 Rockland County risk compare to the New York average?
Rockland County's composite risk percentile is 88th, compared to the New York state average of 69th percentile. The state's overall risk rating is Relatively Low. This means Rockland County faces higher natural disaster risk than the typical county in New York.
Is Rockland County at risk for flooding?
Yes, Rockland County's flooding risk is at the 92th 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 Rockland County higher risk than average?
Rockland County's composite risk score of 88th percentile is above the New York state average of 69th percentile. This elevated risk is driven by flooding exposure (92th 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.
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.