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

Lafayette County Disaster Risk

Lafayette County, Missouri

FEMA Risk Rating

Relatively Low

National Percentile

53th

of 3,144 counties

State Rank

#59

of 115 (1 = highest risk)

Flood Risk

44th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 44% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 34% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 66% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 46% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 17% of US counties

Risk Overview

About Natural Disaster Risk in Lafayette County, Missouri

Lafayette ranks near national average

Lafayette County's composite risk score of 52.51 sits just below the national average with a Relatively Low rating. The county faces typical to slightly-below-typical natural disaster exposure for the United States.

Slightly above Missouri's average risk

Lafayette's 52.51 score marginally exceeds Missouri's state average of 50.56, placing it in the lower-risk category within the state. The county experiences near-average hazard exposure for Missouri communities.

Lower risk than most area counties

Lafayette County (52.51) faces significantly lower risk than neighbors Jefferson County (90.52) and Laclede County (66.03). It occupies a safer position relative to surrounding communities.

Tornado risk outpaces other hazards

Tornado risk reaches 66.22 in Lafayette County, making it the county's primary natural disaster concern. Flood, wildfire, and earthquake risks all remain well below state averages.

Prioritize tornado and storm coverage

Lafayette homeowners should ensure their policies explicitly cover tornado damage and maintain a safe shelter area. Flood insurance is optional given the county's low flood risk, allowing resources to focus on wind and storm protection.

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

Preparedness Guide

What to Prepare for in Lafayette County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    66th percentile
  2. #2
    EarthquakePrepare
    46th percentile
  3. #3
    FloodPrepare
    44th percentile

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

Risk Advisory: Lafayette County

Risk Verdict

With a national percentile rank of 53th, Lafayette County faces below-average hazard exposure relative to U.S. counties as a whole. Above-average risk does not mean imminent danger; it signals that informed, hazard-specific preparedness has high value here.

Hazard Breakdown

Tornado risk is Lafayette County's dominant natural hazard, ranked at the 66th percentile nationally under FEMA's National Risk Index. Earthquake ranks second at the 46th percentile nationally. Additional tracked hazards include flood (44th percentile), wildfire (34th percentile), hurricane (17th percentile).

Preparedness Context

At the 66th percentile nationally for tornado risk, Lafayette County households benefit most from a reliable alert system — a NOAA weather radio that activates during overnight hours when residents may not be checking smartphone alerts. Alongside tornado exposure, earthquake at the 46th percentile nationally means Lafayette County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. For Lafayette County households, a pre-decided family shelter plan — who goes where, how children are retrieved from school during a warning, and a neighborhood meet-up point if phones fail — provides real protection that no supply kit alone can replicate.

Regional Context

Lafayette County tracks the Missouri county average closely, sitting 2.0 composite points above the state mean — neither a standout high-risk nor low-risk county within Missouri.

Is your household prepared for Lafayette 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 Lafayette County, MO?
Lafayette County has a FEMA National Risk Index rating of Relatively Low, placing it in the 53th 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 Lafayette County?
Lafayette County is evaluated for five major natural hazard types: tornado (66th percentile), earthquake (46th percentile), flooding (44th percentile), wildfire (34th percentile), hurricane (17th percentile). The highest-risk hazard is tornado at the 66th 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 Lafayette County risk compare to the Missouri average?
Lafayette County's composite risk percentile is 53th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Lafayette County faces higher natural disaster risk than the typical county in Missouri.
Is Lafayette County at risk for tornado?
Yes, Lafayette County's tornado risk is at the 66th percentile nationally. This is above the national median. For flooding specifically, Lafayette County is at the 44th 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 Lafayette County higher risk than average?
Lafayette County's composite risk score of 53th percentile is above the Missouri state average of 51th percentile. This elevated risk is driven by tornado exposure (66th percentile). 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.