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

Mitchell County Disaster Risk

Mitchell County, Iowa

FEMA Risk Rating

Very Low

National Percentile

38th

of 3,144 counties

State Rank

#45

of 99 (1 = highest risk)

Flood Risk

36th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 36% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 12% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 48% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 5% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Mitchell County, Iowa

Mitchell County's risk runs below average

Mitchell County's composite risk score of 37.69 ranks as Very Low, just below Iowa's state average of 39.68. Your county faces fewer combined natural disaster threats than a typical U.S. county.

Middle of the road for Iowa safety

At 37.69, Mitchell County sits near Iowa's state average of 39.68, making it a moderate-risk county within the state. You're safer than higher-risk counties but face more exposure than Iowa's safest communities.

Lower risk than some Iowa neighbors

Mitchell County (37.69) compares favorably to Muscatine County (57.76) but runs higher than nearby Mills County (18.48). Your risk level reflects Iowa's north-central geography and tornado exposure patterns.

Tornados dominate Mitchell County threats

Tornado risk at 47.68 is Mitchell County's primary concern, sitting just below the state average. Flooding (36.16) poses secondary risk, while wildfire (11.74), earthquake (4.71), and hurricane exposures remain minimal.

Storm shelter and flood awareness matter most

With tornado risk at 47.68, a safe room, basement reinforcement, or community shelter access should be a priority for your household. Check flood risk on your specific property and consider coverage if you're in a mapped flood zone.

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

Preparedness Guide

What to Prepare for in Mitchell County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    48th percentile
  2. #2
    FloodPrepare
    36th percentile
  3. #3
    WildfirePrepare
    12th percentile

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

Risk Advisory: Mitchell County

Risk Verdict

Mitchell County's natural disaster risk is among the lowest in the country, with a composite score at the 38th percentile nationally. The 38th percentile national ranking is one lens; Mitchell County residents also benefit from reviewing which specific hazard types drive the county's composite score and preparing accordingly.

Hazard Breakdown

Tornado risk is Mitchell County's dominant natural hazard, ranked at the 48th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 36th percentile nationally. Additional tracked hazards include wildfire (12th percentile), earthquake (5th percentile), hurricane (0th percentile).

Preparedness Context

Tornado risk is Mitchell County's top-ranked natural hazard at the 48th percentile nationally. For Mitchell County households, the most protective action available is identifying a reinforced interior room on the lowest floor — a bathroom, closet, or central hallway away from windows. The secondary flood hazard at the 36th percentile nationally adds seasonal complexity to Mitchell County's preparedness calendar, since flood and tornado risk often peak at different points in the year. A battery-powered NOAA All Hazards weather radio with an auto-alert tone is the highest-leverage single item for tornado preparedness in Mitchell County, since it delivers warnings even when power is out and phone networks are congested.

Regional Context

At just 2.0 composite points from the Iowa average, Mitchell County's natural disaster risk is closely in line with its in-state peers.

Is your household prepared for Mitchell 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 Mitchell County, IA?
Mitchell County has a FEMA National Risk Index rating of Very Low, placing it in the 38th 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 Mitchell County?
Mitchell County is evaluated for five major natural hazard types: tornado (48th percentile), flooding (36th percentile), wildfire (12th percentile), earthquake (5th percentile), hurricane (0th percentile). The highest-risk hazard is tornado at the 48th 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 Mitchell County risk compare to the Iowa average?
Mitchell County's composite risk percentile is 38th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Mitchell County faces lower natural disaster risk than the typical county in Iowa.
Is Mitchell County at risk for tornado?
Yes, Mitchell County's tornado risk is at the 48th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Mitchell County is at the 36th 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 Mitchell County a safe place to live?
Mitchell County's composite risk score of 38th percentile is below the Iowa state average of 40th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is tornado at the 48th 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.