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

Prince George's County Disaster Risk

Prince George's County, Maryland

FEMA Risk Rating

Relatively Moderate

National Percentile

93th

of 3,144 counties

State Rank

#3

of 24 (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 42% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively High

Higher than 95% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 93% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 92% of US counties

Risk Overview

About Natural Disaster Risk in Prince George's County, Maryland

Prince George's faces above-average disaster risk

With a composite risk score of 93.16, Prince George's County ranks significantly higher than the U.S. average, placing it in the relatively moderate risk category. The county's exposure to multiple hazard types—particularly tornadoes (95.13) and floods (94.59)—makes it one of Maryland's most vulnerable areas for natural disasters.

Highest-risk county in Maryland

Prince George's County has the highest composite risk score among all Maryland counties, well above the state average of 60.22. Its tornado and flood risks are especially pronounced, reflecting the county's geography and climate patterns that create compounding hazard exposure.

Significantly riskier than surrounding counties

Prince George's County (93.16) faces far greater disaster risk than neighboring Anne Arundel, Howard, and Montgomery counties. Its risk profile stands out even in the context of Maryland's coastal and central regions, driven primarily by extreme tornado and flood vulnerability.

Tornadoes and floods dominate your hazard profile

Tornadoes pose your single largest threat with a risk score of 95.13, while floods follow closely at 94.59—both well above typical exposure levels. These two hazards account for the majority of Prince George's elevated overall risk and should be your primary focus for preparation and home protection.

Prioritize comprehensive hazard insurance now

Given your county's extreme tornado and flood risks, standard homeowners insurance is insufficient—you need separate flood insurance and should verify tornado coverage in your policy. Consider a safe room or storm shelter installation and review your insurance annually, as Prince George's hazard exposure demands the highest level of preparedness.

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

Preparedness Guide

What to Prepare for in Prince George's County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    95th percentile
  2. #2
    FloodPrepare
    95th percentile
  3. #3
    EarthquakePrepare
    93th percentile

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

Risk Advisory: Prince George's County

Risk Verdict

Prince George's County's overall risk score at the 93th 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

Tornado risk is Prince George's County's dominant natural hazard, ranked at the 95th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 95th percentile nationally. Additional tracked hazards include earthquake (93th percentile), hurricane (92th percentile), wildfire (42th percentile).

Preparedness Context

Prince George's County ranks at the 95th percentile nationally for tornado exposure. Unlike many slow-onset hazards, tornadoes in Prince George's County can reach full intensity in minutes; a pre-practiced household shelter plan matters far more than stockpiled supplies. The secondary flood hazard at the 95th percentile nationally adds seasonal complexity to Prince George's County's preparedness calendar, since flood and tornado risk often peak at different points in the year. Prince George's County county emergency management typically publishes annual severe-weather preparedness guides tailored to local tornado patterns; households benefit from reviewing these before storm season begins each spring.

Regional Context

Compared to other Maryland counties, Prince George's County runs 32.9 composite risk points higher than the state mean — reflecting above-average hazard concentration in this area.

Is your household prepared for Prince George's 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 Prince George's County, MD?
Prince George's 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 Prince George's County?
Prince George's County is evaluated for five major natural hazard types: tornado (95th percentile), flooding (95th percentile), earthquake (93th percentile), hurricane (92th percentile), wildfire (42th percentile). The highest-risk hazard is tornado 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 Prince George's County risk compare to the Maryland average?
Prince George's County's composite risk percentile is 93th, compared to the Maryland state average of 60th percentile. The state's overall risk rating is Relatively Low. This means Prince George's County faces higher natural disaster risk than the typical county in Maryland.
Is Prince George's County at risk for tornado?
Yes, Prince George's County's tornado risk is at the 95th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Prince George's County is at the 95th percentile.
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 Prince George's County higher risk than average?
Prince George's County's composite risk score of 93th percentile is above the Maryland state average of 60th percentile. This elevated risk is driven by tornado exposure (95th percentile), along with flooding and earthquake and hurricane 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.