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

Berks County Disaster Risk

Berks County, Pennsylvania

FEMA Risk Rating

Relatively Moderate

National Percentile

93th

of 3,144 counties

State Rank

#8

of 67 (1 = highest risk)

Flood Risk

95th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively High

Higher than 95% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 38% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 91% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 91% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 93% of US counties

Risk Overview

About Natural Disaster Risk in Berks County, Pennsylvania

Berks County Faces Well-Above-Average Risk

Berks County's composite risk score of 92.72 substantially exceeds the national average, earning a relatively moderate risk rating. This southeastern Pennsylvania county experiences significant exposure across multiple hazard types, particularly flooding, tornadoes, earthquakes, and hurricanes.

Second-Highest-Risk County in Pennsylvania

Berks County's score of 92.72 ranks as Pennsylvania's second-most hazardous county, trailing only Allegheny (98.09) by roughly 5 points. The county exceeds the state average of 67.45 by 37 percent, placing it in a distinctly vulnerable tier.

Significantly Riskier Than Surrounding Counties

Berks County residents face substantially higher hazard exposure than nearby Lancaster, Lebanon, and Chester counties, which all score in the 70s. The county's 92.72 score reflects greater vulnerability than most of its regional peers.

Hurricanes, Flooding, and Tornadoes Converge

Hurricane risk peaks at 92.53 in Berks County, while flood risk (94.82) and tornado risk (90.62) follow closely, creating a convergence of major hazards. Earthquake risk also runs high at 91.25, making Berks a multifaceted hazard zone.

Comprehensive Coverage Is Essential Now

Berks County homeowners must obtain flood insurance immediately; the county's 94.82 flood risk indicates widespread vulnerability. Additionally, ensure your policy covers tornado, wind, and hurricane damage, and strongly consider earthquake coverage given the 91.25 risk—bundle policies if possible to manage premiums.

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

Preparedness Guide

What to Prepare for in Berks County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    95th percentile
  2. #2
    HurricanePrepare
    93th percentile
  3. #3
    EarthquakePrepare
    91th percentile

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

Risk Advisory: Berks County

Risk Verdict

At the 93th percentile nationally, Berks 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 Berks County residents.

Hazard Breakdown

Flood risk is Berks County's dominant natural hazard, ranked at the 95th percentile nationally under FEMA's National Risk Index. Hurricane ranks second at the 93th percentile nationally. Additional tracked hazards include earthquake (91th percentile), tornado (91th percentile), wildfire (38th percentile).

Preparedness Context

At the 95th percentile nationally for flood risk, Berks 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 93th 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 Berks 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 25.3 composite points below Berks County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Berks 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 Berks County, PA?
Berks 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 Berks County?
Berks County is evaluated for five major natural hazard types: flooding (95th percentile), hurricane (93th percentile), earthquake (91th percentile), tornado (91th percentile), wildfire (38th percentile). The highest-risk hazard is flooding at the 95th 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 Berks County risk compare to the Pennsylvania average?
Berks County's composite risk percentile is 93th, compared to the Pennsylvania state average of 67th percentile. The state's overall risk rating is Relatively Low. This means Berks County faces higher natural disaster risk than the typical county in Pennsylvania.
Is Berks County at risk for flooding?
Yes, Berks County's flooding risk is at the 95th 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 Berks County higher risk than average?
Berks County's composite risk score of 93th percentile is above the Pennsylvania state average of 67th percentile. This elevated risk is driven by flooding exposure (95th 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.