riskbycounty
FEMA National Risk Index

St. Francois County Disaster Risk

St. Francois County, Missouri

FEMA Risk Rating

Relatively Low

National Percentile

79th

of 3,144 counties

State Rank

#17

of 115 (1 = highest risk)

Flood Risk

70th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 70% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 57% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 85% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 91% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 36% of US counties

Risk Advisory: St. Francois County

Risk Verdict

St. Francois County shows a relatively low overall disaster risk profile, scoring in the 79th percentile nationally. The county faces moderate hazard exposure relative to other U.S. counties. Standard emergency preparedness is recommended, with attention to the specific hazards that dominate locally.

Hazard Breakdown

Earthquake risk is the dominant hazard for St. Francois County, scoring in the 91th percentile nationally. It is followed by tornado risk at the 85th percentile. Additional hazards include flood (70th), wildfire (57th), hurricane (36th).

Preparedness Context

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

St. Francois County is significantly riskier than the average county in Missouri. Its composite risk score is 28 points higher than the state average, meaning residents face above-average exposure to natural hazards compared to their neighbors.

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Frequently Asked Questions

What is the natural disaster risk in St. Francois County, MO?
St. Francois County has a FEMA National Risk Index rating of Relatively Low, placing it in the 79th 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 St. Francois County?
St. Francois County is evaluated for five major natural hazard types: earthquake (91th percentile), tornado (85th percentile), flooding (70th percentile), wildfire (57th percentile), hurricane (36th percentile). The highest-risk hazard is earthquake at the 91th 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 St. Francois County risk compare to the Missouri average?
St. Francois County's composite risk percentile is 79th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means St. Francois County faces higher natural disaster risk than the typical county in Missouri.
Is St. Francois County at risk for earthquake?
Yes, St. Francois County's earthquake risk is at the 91th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, St. Francois County is at the 70th 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 St. Francois County higher risk than average?
St. Francois County's composite risk score of 79th percentile is above the Missouri state average of 51th percentile. This elevated risk is driven by earthquake exposure (91th percentile), along with tornado and flooding and wildfire risk. Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.

Counties with Similar Risk

Pemiscot County

Missouri

-0.6

Relatively Low

78th percentile

Howell County

Missouri

-0.8

Relatively Low

78th percentile

Newton County

Missouri

-1.0

Relatively Low

78th 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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