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

Walthall County Disaster Risk

Walthall County, Mississippi

FEMA Risk Rating

Very Low

National Percentile

26th

of 3,144 counties

State Rank

#66

of 82 (1 = highest risk)

Flood Risk

26th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 26% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 67% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 36% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 34% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 80% of US counties

Risk Overview

About Natural Disaster Risk in Walthall County, Mississippi

Walthall County is among safest

Walthall County's composite risk score of 25.54 earns a very low rating, placing it well below the Mississippi state average of 50.94. This makes Walthall one of the safest counties in the state for natural disaster risk overall.

Top 10 safest county in Mississippi

Walthall County ranks among Mississippi's safest counties for natural disaster exposure, with its 25.54 score significantly below the state median. This favorable position reflects lower exposure to most major hazards affecting the region.

Safest in its immediate region

Walthall County's risk profile is substantially lower than nearby Wilkinson County (33.46) and significantly outpaces southern neighbors like Wayne County (55.66). This makes Walthall a relative safe zone within its geographic area.

Hurricanes and wildfires pose concern

Despite its overall low risk profile, Walthall County faces notable hurricane exposure (79.56) and elevated wildfire risk (66.67), likely due to its southern location and woodland coverage. Tornado risk (36.10) and earthquake threats (34.45) remain manageable by comparison.

Focus on hurricane preparedness

Walthall County residents should prioritize hurricane coverage and ensure standard homeowners policies account for wind damage from tropical systems. Consider a separate windstorm policy if standard coverage is limited, particularly given the county's 79.56 hurricane risk score.

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

Preparedness Guide

What to Prepare for in Walthall County

Top Hazards by Exposure

  1. #1
    HurricanePrepare
    80th percentile
  2. #2
    WildfirePrepare
    67th percentile
  3. #3
    TornadoPrepare
    36th percentile

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

Risk Advisory: Walthall County

Risk Verdict

Walthall County's natural disaster risk is among the lowest in the country, with a composite score at the 26th percentile nationally. Being ranked at the 26th percentile nationally is an advantage for Walthall County — it means fewer statistically likely events, though basic readiness ensures households are covered when exceptions occur.

Hazard Breakdown

Hurricane risk is Walthall County's dominant natural hazard, ranked at the 80th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 67th percentile nationally. Additional tracked hazards include tornado (36th percentile), earthquake (34th percentile), flood (26th percentile).

Preparedness Context

Hurricane risk is Walthall County's top-ranked natural hazard at the 80th percentile nationally. The most time-sensitive preparedness step is knowing the county's evacuation zone for your address — zone maps are published by the county emergency management office. Walthall County's wildfire exposure at the 67th percentile nationally adds a hazard layer that can persist or intensify after hurricane-force winds have passed, particularly in low-lying inland areas. Walthall County's county emergency management office publishes official evacuation zone maps with zone-specific shelter locations; downloading this map and identifying your zone assignment is the single highest-value pre-season step.

Regional Context

The Mississippi county average exceeds Walthall County's score by 25.4 composite points — placing this county in the lower-risk tier relative to its in-state peers.

Is your household prepared for Walthall 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 Walthall County, MS?
Walthall County has a FEMA National Risk Index rating of Very Low, placing it in the 26th 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 Walthall County?
Walthall County is evaluated for five major natural hazard types: hurricane (80th percentile), wildfire (67th percentile), tornado (36th percentile), earthquake (34th percentile), flooding (26th percentile). The highest-risk hazard is hurricane at the 80th 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 Walthall County risk compare to the Mississippi average?
Walthall County's composite risk percentile is 26th, compared to the Mississippi state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Walthall County faces lower natural disaster risk than the typical county in Mississippi.
Is Walthall County at risk for hurricane?
Yes, Walthall County's hurricane risk is at the 80th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Walthall County is at the 26th 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 Walthall County a safe place to live?
Walthall County's composite risk score of 26th 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 80th 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.