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

Osage County Disaster Risk

Osage County, Missouri

FEMA Risk Rating

Very Low

National Percentile

33th

of 3,144 counties

State Rank

#78

of 115 (1 = highest risk)

Flood Risk

48th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 48% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 36% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 54% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 56% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 14% of US counties

Risk Overview

About Natural Disaster Risk in Osage County, Missouri

Osage County has the lowest risk profile

Osage County's composite risk score of 32.92 rates as very low and sits well below both Missouri's state average of 50.56 and the national average. This favorable profile reflects relatively modest exposure across all hazard types, making Osage one of Missouri's safest counties for natural disaster risk.

Osage ranks among Missouri's safest

With a composite risk score of 32.92, Osage County ranks significantly below Missouri's state average of 50.56, placing it among the state's lowest-risk counties. No single hazard type dominates Osage's profile, creating a balanced and generally favorable risk environment.

Osage safer than surrounding counties

Osage County's composite risk score of 32.92 is notably lower than adjacent Montgomery and Cole counties, reflecting a safer overall hazard profile. The county's moderate tornado risk of 53.56 remains below regional averages, contributing to its favorable standing.

Earthquake risk edges above other hazards

Osage County's highest individual risk is earthquake at 55.92, still moderate and below state averages, followed by flood risk at 47.52. This balanced hazard profile means residents face no single overwhelming threat, though preparedness remains prudent.

Maintain standard coverage and awareness

Osage County residents benefit from the county's favorable risk profile but should still maintain comprehensive homeowner insurance covering tornado, flood, and earthquake damage. Regular property inspections and emergency preparedness planning remain wise practices regardless of low-risk status.

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

Preparedness Guide

What to Prepare for in Osage County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    56th percentile
  2. #2
    TornadoPrepare
    54th percentile
  3. #3
    FloodPrepare
    48th percentile

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

Risk Advisory: Osage County

Risk Verdict

Osage County's overall natural disaster score at the 33th percentile puts it well below the national median for hazard exposure. The 33th percentile national ranking is one lens; Osage County residents also benefit from reviewing which specific hazard types drive the county's composite score and preparing accordingly.

Hazard Breakdown

Earthquake risk is Osage County's dominant natural hazard, ranked at the 56th percentile nationally under FEMA's National Risk Index. Tornado ranks second at the 54th percentile nationally. Additional tracked hazards include flood (48th percentile), wildfire (36th percentile), hurricane (14th percentile).

Preparedness Context

Earthquake exposure at the 56th percentile nationally puts Osage County in a zone where utilities — gas, water, electrical — are the most common post-quake hazard. Knowing how to shut off the main gas valve is an important household skill to develop before an event occurs. Alongside earthquake exposure, Osage County's tornado risk at the 54th percentile nationally reinforces the value of maintaining a household emergency supply cache usable for multiple hazard scenarios. Osage County households benefit from keeping shoes and a flashlight near the bed — post-earthquake navigation through debris in the dark is a common cause of secondary injury. This low-cost step has outsized protective value.

Regional Context

Osage County's composite risk score sits 17.6 points below the Missouri county average, reflecting a more favorable hazard environment than the state typical.

Is your household prepared for Osage 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 Osage County, MO?
Osage County has a FEMA National Risk Index rating of Very Low, placing it in the 33th 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 Osage County?
Osage County is evaluated for five major natural hazard types: earthquake (56th percentile), tornado (54th percentile), flooding (48th percentile), wildfire (36th percentile), hurricane (14th percentile). The highest-risk hazard is earthquake at the 56th 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 Osage County risk compare to the Missouri average?
Osage County's composite risk percentile is 33th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Osage County faces lower natural disaster risk than the typical county in Missouri.
Is Osage County at risk for earthquake?
Yes, Osage County's earthquake risk is at the 56th percentile nationally. This is above the national median. For flooding specifically, Osage County is at the 48th 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 Osage County a safe place to live?
Osage County's composite risk score of 33th 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 earthquake at the 56th 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.