riskbycounty
FEMA National Risk Index

Greene County Disaster Risk

Greene County, Mississippi

FEMA Risk Rating

Very Low

National Percentile

42th

of 3,144 counties

State Rank

#53

of 82 (1 = highest risk)

Flood Risk

38th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 38% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 73% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 57% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 31% of US counties

Hurricane

Tropical cyclone and hurricane risk

Moderate

Higher than 87% of US counties

Risk Advisory: Greene County

Risk Verdict

Greene County has a very low overall disaster risk profile, scoring in the 42th percentile nationally. This county is among the safer counties in the United States from a natural disaster perspective, though no area is entirely risk-free.

Hazard Breakdown

Hurricane risk is the dominant hazard for Greene County, scoring in the 87th percentile nationally. It is followed by wildfire risk at the 73th percentile. Additional hazards include tornado (57th), flood (38th), earthquake (31th).

Preparedness Context

With hurricane risk as the top concern, Greene County residents should know your evacuation route, stockpile supplies for at least 72 hours, and review your homeowners and flood insurance policies annually. Secondary risks such as wildfire also warrant attention in household and community preparedness planning. FEMA recommends all households maintain at least 72 hours of food, water, and medication supplies regardless of specific hazard exposure.

Regional Context

Greene County is notably safer than the average county in Mississippi. Its composite risk score is 8.8 points lower than the state average, indicating below-average exposure to natural hazards relative to other counties in the state.

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Frequently Asked Questions

What is the natural disaster risk in Greene County, MS?
Greene County has a FEMA National Risk Index rating of Very Low, placing it in the 42th 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 Greene County?
Greene County is evaluated for five major natural hazard types: hurricane (87th percentile), wildfire (73th percentile), tornado (57th percentile), flooding (38th percentile), earthquake (31th percentile). The highest-risk hazard is hurricane at the 87th 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 Greene County risk compare to the Mississippi average?
Greene County's composite risk percentile is 42th, compared to the Mississippi state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Greene County faces lower natural disaster risk than the typical county in Mississippi.
Is Greene County at risk for hurricane?
Yes, Greene County's hurricane risk is at the 87th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Greene County is at the 38th 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.
Is Greene County a safe place to live?
Greene County's composite risk score of 42th percentile is below the Mississippi state average of 51th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is hurricane at the 87th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Clay County

Mississippi

+0.3

Very Low

43th percentile

Tate County

Mississippi

-1.0

Very Low

41th percentile

Union County

Mississippi

+1.3

Relatively Low

44th percentile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & 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.

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