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

Northampton County Disaster Risk

Northampton County, Pennsylvania

FEMA Risk Rating

Relatively Moderate

National Percentile

90th

of 3,144 counties

State Rank

#13

of 67 (1 = highest risk)

Flood Risk

94th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 94% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 29% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 81% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 84% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 87% of US counties

Risk Overview

About Natural Disaster Risk in Northampton County, Pennsylvania

Northampton faces very high risk

With a composite risk score of 90.01, Northampton County experiences significantly above-average natural disaster exposure compared to U.S. counties overall. The county's "Relatively Moderate" risk rating indicates serious and multifaceted hazards that require substantial preparation. Northampton ranks among America's more vulnerable counties.

Second-highest risk in Pennsylvania

Northampton County's risk score of 90.01 substantially exceeds Pennsylvania's state average of 67.45, placing it second only to Montgomery County (96.82) in state risk rankings. The county's extreme scores in flooding (93.61), tornadoes (80.92), earthquakes (84.41), and hurricanes (87.07) reflect exposure to multiple major hazard types. This "Relatively Moderate" rating underscores the county's serious vulnerabilities.

Riskier than most Pennsylvania counties

Northampton County's score of 90.01 exceeds Monroe County (85.08), Mifflin (69.27), Lycoming (79.58), and Mercer (77.74) significantly. Only Montgomery County (96.82) poses greater disaster risk in Pennsylvania. Northampton's location in the northeastern corner, near the Atlantic coast and geologically sensitive areas, drives its vulnerability.

Flooding and earthquakes dominate

Northampton County's flood risk of 93.61 ranks as the county's highest exposure and among Pennsylvania's most extreme. Earthquake risk at 84.41 is exceptionally high for Pennsylvania, reflecting the county's proximity to regional seismic zones. Tornadoes (80.92) and hurricanes (87.07) add layers of additional hazard exposure.

Multi-hazard protection is critical

Flood insurance is absolutely essential with a 93.61 risk score; standard homeowners policies provide no protection against this grave threat. Brace your home's foundation and cripple walls against earthquake damage, install hurricane-rated roofing and reinforced garage doors, and identify tornado shelter locations. Invest in professional structural assessment to identify specific vulnerabilities unique to your home.

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

Preparedness Guide

What to Prepare for in Northampton County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    94th percentile
  2. #2
    HurricanePrepare
    87th percentile
  3. #3
    EarthquakePrepare
    84th percentile

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

Risk Advisory: Northampton County

Risk Verdict

At the 90th percentile nationally, Northampton County sits in the upper half of U.S. counties for natural disaster exposure. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Northampton County residents.

Hazard Breakdown

Flood risk is Northampton County's dominant natural hazard, ranked at the 94th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 87th percentile nationally. Additional tracked hazards include earthquake (84th percentile), tornado (81th percentile), wildfire (29th percentile).

Preparedness Context

At the 94th percentile nationally for flood risk, Northampton County residents benefit from understanding their specific flood zone status. Even one inch of floodwater causes significant structural damage to properties outside officially designated high-risk zones. Secondary hurricane exposure at the 87th percentile adds a second preparedness layer; households should review coverage options and alert sign-up for both hazard types. A tested family preparedness plan specific to Northampton County's primary hazards — including how to shelter in place or evacuate, and who to call — provides more real protection than a general emergency kit sitting unused on a shelf.

Regional Context

The Pennsylvania county average is 22.6 composite points below Northampton County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Northampton 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 Northampton County, PA?
Northampton County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 90th 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 Northampton County?
Northampton County is evaluated for five major natural hazard types: flooding (94th percentile), hurricane (87th percentile), earthquake (84th percentile), tornado (81th percentile), wildfire (29th percentile). The highest-risk hazard is flooding at the 94th 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 Northampton County risk compare to the Pennsylvania average?
Northampton County's composite risk percentile is 90th, compared to the Pennsylvania state average of 67th percentile. The state's overall risk rating is Relatively Low. This means Northampton County faces higher natural disaster risk than the typical county in Pennsylvania.
Is Northampton County at risk for flooding?
Yes, Northampton County's flooding risk is at the 94th 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 Northampton County higher risk than average?
Northampton County's composite risk score of 90th percentile is above the Pennsylvania state average of 67th percentile. This elevated risk is driven by flooding exposure (94th percentile), along with hurricane and earthquake 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.