riskbycounty
FEMA National Risk Index

Calhoun County Disaster Risk

Calhoun County, Mississippi

FEMA Risk Rating

Very Low

National Percentile

28th

of 3,144 counties

State Rank

#65

of 82 (1 = highest risk)

Flood Risk

25th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 25% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 26% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 49% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 77% of US counties

Hurricane

Tropical cyclone and hurricane risk

Relatively Low

Higher than 64% of US counties

Risk Advisory: Calhoun County

Risk Verdict

Calhoun County has a very low overall disaster risk profile, scoring in the 28th 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

Earthquake risk is the dominant hazard for Calhoun County, scoring in the 77th percentile nationally. It is followed by hurricane risk at the 64th percentile. Additional hazards include tornado (49th), wildfire (26th), flood (25th).

Preparedness Context

With earthquake risk as the top concern, Calhoun County residents should secure heavy furniture and appliances, know how to shut off utilities, and keep emergency supplies accessible. Secondary risks such as hurricane 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

Calhoun County is notably safer than the average county in Mississippi. Its composite risk score is 23.3 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 Calhoun County, MS?
Calhoun County has a FEMA National Risk Index rating of Very Low, placing it in the 28th 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 Calhoun County?
Calhoun County is evaluated for five major natural hazard types: earthquake (77th percentile), hurricane (64th percentile), tornado (49th percentile), wildfire (26th percentile), flooding (25th percentile). The highest-risk hazard is earthquake at the 77th 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 Calhoun County risk compare to the Mississippi average?
Calhoun County's composite risk percentile is 28th, compared to the Mississippi state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Calhoun County faces lower natural disaster risk than the typical county in Mississippi.
Is Calhoun County at risk for earthquake?
Yes, Calhoun County's earthquake risk is at the 77th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Calhoun County is at the 25th 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 Calhoun County a safe place to live?
Calhoun County's composite risk score of 28th 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 earthquake at the 77th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Humphreys County

Mississippi

+0.3

Very Low

28th percentile

Noxubee County

Mississippi

+1.4

Very Low

29th percentile

Walthall County

Mississippi

-2.1

Very Low

26th 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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