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

Linn County Disaster Risk

Linn County, Missouri

FEMA Risk Rating

Very Low

National Percentile

31th

of 3,144 counties

State Rank

#81

of 115 (1 = highest risk)

Flood Risk

39th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 39% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 51% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 67% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 41% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 16% of US counties

Risk Overview

About Natural Disaster Risk in Linn County, Missouri

Linn County faces very low national risk

With a composite risk score of 31.23, Linn County is significantly safer than the national average, placing it in the very low-risk category. This favorable profile reflects below-average exposure to most major hazard types across the county.

Well below Missouri's average risk

Linn County's score of 31.23 ranks it well below Missouri's state average of 50.56, making it one of the safer counties in the state. This lower risk profile gives residents a relative advantage when it comes to disaster preparedness and insurance needs.

Safer than surrounding counties

At 31.23, Linn County offers lower risk than Macon County (36.77) and significantly lower risk than Lincoln County (67.08) to the east. It remains among the safest areas in north-central Missouri, though tornado exposure remains a local consideration.

Tornadoes present the main threat

Tornado risk at 66.89 is Linn County's highest hazard, though still below the state average for that specific hazard. Flood risk at 39.03 and wildfire risk at 50.67 remain moderate, with earthquake exposure at just 40.90.

Focus on wind and flood protection

While Linn County's overall risk is low, tornado preparedness remains essential—ensure your home has a designated safe room and maintains wind-resistant features. A flood insurance policy is recommended given the county's proximity to waterways, though earthquake coverage is less critical here.

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

Preparedness Guide

What to Prepare for in Linn County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    67th percentile
  2. #2
    WildfirePrepare
    51th percentile
  3. #3
    EarthquakePrepare
    41th percentile

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

Risk Advisory: Linn County

Risk Verdict

At the 31th percentile nationally, Linn County experiences relatively limited natural hazard pressure compared to most of the country. A preparedness foundation — alert registration, household communication plan, and a basic supply review — costs little and remains valuable even at Linn County's favorable 31th percentile ranking.

Hazard Breakdown

Tornado risk is Linn County's dominant natural hazard, ranked at the 67th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 51th percentile nationally. Additional tracked hazards include earthquake (41th percentile), flood (39th percentile), hurricane (16th percentile).

Preparedness Context

Linn County ranks at the 67th percentile nationally for tornado exposure. Unlike many slow-onset hazards, tornadoes in Linn County can reach full intensity in minutes; a pre-practiced household shelter plan matters far more than stockpiled supplies. The secondary wildfire hazard at the 51th percentile nationally adds seasonal complexity to Linn County's preparedness calendar, since wildfire and tornado risk often peak at different points in the year. Linn County county emergency management typically publishes annual severe-weather preparedness guides tailored to local tornado patterns; households benefit from reviewing these before storm season begins each spring.

Regional Context

A composite score 19.3 points below the Missouri state average puts Linn County in a better-than-typical position relative to neighboring counties.

Is your household prepared for Linn 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 Linn County, MO?
Linn County has a FEMA National Risk Index rating of Very Low, placing it in the 31th 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 Linn County?
Linn County is evaluated for five major natural hazard types: tornado (67th percentile), wildfire (51th percentile), earthquake (41th percentile), flooding (39th percentile), hurricane (16th percentile). The highest-risk hazard is tornado at the 67th 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 Linn County risk compare to the Missouri average?
Linn County's composite risk percentile is 31th, compared to the Missouri state average of 51th percentile. The state's overall risk rating is Relatively Low. This means Linn County faces lower natural disaster risk than the typical county in Missouri.
Is Linn County at risk for tornado?
Yes, Linn County's tornado risk is at the 67th percentile nationally. This is above the national median. For flooding specifically, Linn County is at the 39th 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 Linn County a safe place to live?
Linn County's composite risk score of 31th 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 67th 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.