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

Salem County Disaster Risk

Salem County, New Jersey

FEMA Risk Rating

Relatively Low

National Percentile

77th

of 3,144 counties

State Rank

#21

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

Relatively Low

Higher than 68% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 35% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 80% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 77% of US counties

Risk Overview

About Natural Disaster Risk in Salem County, New Jersey

Salem's risk sits below the national curve

Salem County scores 76.53 on the composite risk scale, placing it in the relatively low risk category—well below the national average for similar counties. This favorable rating reflects generally moderate hazard exposure across most natural disaster types, though specific risks merit attention.

Salem ranks safer than most New Jersey counties

At 76.53, Salem's composite risk score falls significantly below New Jersey's state average of 90.81, making it one of the safer counties in the state. Only a handful of New Jersey counties score lower, positioning Salem in the bottom third for disaster risk statewide.

Salem's safest peers include Sussex and Warren

Among nearby counties, Sussex (77.45) and Warren (80.76) have comparable risk profiles to Salem, while Somerset (90.94) and Union (95.48) face significantly higher exposure. Salem's relatively balanced hazard distribution makes it a lower-risk zone in the region.

Watch for flooding and earthquake threats

Flooding poses Salem's most pressing hazard with a risk score of 95.80, reflecting the county's vulnerable geography near tidal and river systems. Earthquake risk also registers at 79.61, a notable concern driven by geological proximity to seismic zones affecting the Northeast.

Flood insurance is essential for Salem residents

Given Salem's exceptionally high flood risk score of 95.80, comprehensive flood insurance should be a priority regardless of FEMA flood zone designation. Homeowners should also review earthquake coverage options and maintain updated emergency preparedness plans for their families.

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

Preparedness Guide

What to Prepare for in Salem County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    96th percentile
  2. #2
    EarthquakePrepare
    80th percentile
  3. #3
    HurricanePrepare
    77th percentile

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

Risk Advisory: Salem County

Risk Verdict

Salem County sits below the national average for natural disaster exposure, ranking at the 77th percentile across all U.S. counties. Salem County's elevated composite score reflects cumulative multi-hazard exposure; households should prepare for the county's two or three primary hazard types.

Hazard Breakdown

Flood risk is Salem County's dominant natural hazard, ranked at the 96th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 80th percentile nationally. Additional tracked hazards include hurricane (77th percentile), wildfire (68th percentile), tornado (35th percentile).

Preparedness Context

With flood ranked as the primary hazard at the 96th percentile nationally, Salem County households should build a go-bag that includes important documents, medications, and supplies to sustain the family for at least three days if evacuation is needed. The county's second-ranked hazard, earthquake at the 80th percentile nationally, means Salem County residents face compounding risks from multiple natural hazard types during peak seasons. A waterproof container for documents (insurance policies, ID, prescriptions) and a clear household communication plan for when phone networks are congested are the two highest-value low-cost preparedness steps for Salem County households.

Regional Context

Salem County is 14.3 composite risk points below the New Jersey state mean, meaning most other New Jersey counties face higher natural hazard exposure.

Is your household prepared for Salem 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 Salem County, NJ?
Salem County has a FEMA National Risk Index rating of Relatively Low, placing it in the 77th 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 Salem County?
Salem County is evaluated for five major natural hazard types: flooding (96th percentile), earthquake (80th percentile), hurricane (77th percentile), wildfire (68th percentile), tornado (35th 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 Salem County risk compare to the New Jersey average?
Salem County's composite risk percentile is 77th, compared to the New Jersey state average of 91th percentile. The state's overall risk rating is Relatively Moderate. This means Salem County faces lower natural disaster risk than the typical county in New Jersey.
Is Salem County at risk for flooding?
Yes, Salem 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.
Is Salem County a safe place to live?
Salem County's composite risk score of 77th percentile is below the New Jersey state average of 91th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is flooding at the 96th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.
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.