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

Boone County Disaster Risk

Boone County, Missouri

FEMA Risk Rating

Relatively Moderate

National Percentile

86th

of 3,144 counties

State Rank

#9

of 115 (1 = highest risk)

Flood Risk

88th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Moderate

Higher than 88% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 71% of US counties

Tornado

Tornado and severe thunderstorm risk

Moderate

Higher than 92% of US counties

Earthquake

Seismic activity and ground shaking risk

Moderate

Higher than 87% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 26% of US counties

Risk Overview

About Natural Disaster Risk in Boone County, Missouri

Boone faces above-average disaster risk

Boone County's composite risk score of 85.75 exceeds the national average and earns a Relatively Moderate rating. The county confronts meaningful exposure across multiple hazard categories, from tornadoes to earthquakes.

Among Missouri's highest-risk counties

Boone's score of 85.75 ranks it well above the state average of 50.56, placing it in the upper tier of Missouri counties for disaster risk. This elevated profile demands homeowner preparedness and awareness.

Boone leads regional risk comparison

Boone County's score of 85.75 significantly exceeds Callaway County (63.93) to the west and Buchanan County (74.36) to the north. It stands as the riskiest county among its immediate neighbors.

Tornadoes and flooding dominate hazards

Boone residents face a tornado risk score of 92.27, the county's single biggest threat, paired with a substantial flood risk of 87.82. Earthquakes (86.96) round out the trio of major concerns.

Flood and tornado insurance essential

With flood risk at 87.82 and tornado risk at 92.27, standard homeowners policies fall short for most Boone residents. Secure a standalone flood policy and review your coverage annually as part of comprehensive disaster preparedness.

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

Preparedness Guide

What to Prepare for in Boone County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    92th percentile
  2. #2
    FloodPrepare
    88th percentile
  3. #3
    EarthquakePrepare
    87th percentile

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

Risk Advisory: Boone County

Risk Verdict

At the 86th percentile nationally, Boone County sits in the upper half of U.S. counties for natural disaster exposure. At this risk level, having a documented household preparedness plan — not just awareness — is the meaningful next step for Boone County residents.

Hazard Breakdown

Tornado risk is Boone County's dominant natural hazard, ranked at the 92th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 88th percentile nationally. Additional tracked hazards include earthquake (87th percentile), wildfire (71th percentile), hurricane (26th percentile).

Preparedness Context

Tornado exposure at the 92th percentile nationally makes Boone County a county where a battery-powered weather radio — not just smartphone apps — is a worthwhile household investment, given that mobile networks often fail during severe storms. The secondary flood hazard at the 88th percentile nationally adds seasonal complexity to Boone County's preparedness calendar, since flood and tornado risk often peak at different points in the year. In Boone County, tornado watches indicate favorable atmospheric conditions while warnings mean rotation has been detected — households benefit from understanding this distinction so they shelter immediately on a warning, not after seeking visual confirmation.

Regional Context

The Missouri county average is 35.2 composite points below Boone County's score, a gap that reflects the county's elevated position in the state's hazard distribution.

Is your household prepared for Boone 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 Boone County, MO?
Boone County has a FEMA National Risk Index rating of Relatively Moderate, placing it in the 86th 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 Boone County?
Boone County is evaluated for five major natural hazard types: tornado (92th percentile), flooding (88th percentile), earthquake (87th percentile), wildfire (71th percentile), hurricane (26th percentile). The highest-risk hazard is tornado at the 92th 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 Boone County risk compare to the Missouri average?
Boone County's composite risk percentile is 86th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Boone County faces higher natural disaster risk than the typical county in Missouri.
Is Boone County at risk for tornado?
Yes, Boone County's tornado risk is at the 92th percentile nationally. This places it in the top quartile for this hazard type. For flooding specifically, Boone County is at the 88th 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 Boone County higher risk than average?
Boone County's composite risk score of 86th percentile is above the Missouri state average of 51th percentile. This elevated risk is driven by tornado exposure (92th percentile), along with flooding and earthquake and wildfire risk. 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.