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

Knox County Disaster Risk

Knox County, Missouri

FEMA Risk Rating

Very Low

National Percentile

21th

of 3,144 counties

State Rank

#102

of 115 (1 = highest risk)

Flood Risk

23th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 23% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 35% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 40% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 30% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 15% of US counties

Risk Overview

About Natural Disaster Risk in Knox County, Missouri

Knox ranks among safest counties

Knox County's composite risk score of 21.02 places it well below the national average with a Very Low rating. Residents face significantly less natural disaster exposure than most U.S. counties.

One of Missouri's safest counties

Knox County's 21.02 score ranks among the lowest in Missouri, sitting far below the state average of 50.56. The county offers substantially lower natural hazard exposure than most Missouri communities.

Safest county in the region

Knox County (21.02) faces dramatically lower risk than neighbors Lewis County (27.39) and all surrounding areas. It represents one of the safest natural disaster environments in northern Missouri.

Minimal hazard exposure countywide

Knox County's highest risk comes from wildfire (35.27) and flood (23.28), both well below state averages. Overall natural disaster risk remains limited and manageable across the county.

Standard insurance remains appropriate

Knox County homeowners can rely on standard homeowners insurance for adequate protection; flood insurance is optional but inexpensive. The county's low-risk profile means residents can allocate insurance budgets confidently without excess coverage.

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

Preparedness Guide

What to Prepare for in Knox County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    40th percentile
  2. #2
    WildfirePrepare
    35th percentile
  3. #3
    EarthquakePrepare
    30th percentile

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

Risk Advisory: Knox County

Risk Verdict

Compared to the nation's 3,144 counties, Knox County ranks at the 21th percentile for natural disaster risk — toward the safer end of the spectrum. Residents of Knox County can use the 21th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.

Hazard Breakdown

Tornado risk is Knox County's dominant natural hazard, ranked at the 40th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 35th percentile nationally. Additional tracked hazards include earthquake (30th percentile), flood (23th percentile), hurricane (15th percentile).

Preparedness Context

Tornado exposure at the 40th percentile nationally makes Knox 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 wildfire hazard at the 35th percentile nationally adds seasonal complexity to Knox County's preparedness calendar, since wildfire and tornado risk often peak at different points in the year. In Knox 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

At 29.5 points below the Missouri state average, Knox County is among the lower-risk counties in the state for natural disaster exposure.

Is your household prepared for Knox 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 Knox County, MO?
Knox County has a FEMA National Risk Index rating of Very Low, placing it in the 21th 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 Knox County?
Knox County is evaluated for five major natural hazard types: tornado (40th percentile), wildfire (35th percentile), earthquake (30th percentile), flooding (23th percentile), hurricane (15th percentile). The highest-risk hazard is tornado at the 40th 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 Knox County risk compare to the Missouri average?
Knox County's composite risk percentile is 21th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Knox County faces lower natural disaster risk than the typical county in Missouri.
Is Knox County at risk for tornado?
Yes, Knox County's tornado risk is at the 40th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Knox County is at the 23th 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 Knox County a safe place to live?
Knox County's composite risk score of 21th percentile is below the Missouri state average of 51th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 40th 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.