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

Wayne County Disaster Risk

Wayne County, Iowa

FEMA Risk Rating

Very Low

National Percentile

22th

of 3,144 counties

State Rank

#81

of 99 (1 = highest risk)

Flood Risk

14th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 14% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 43% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 55% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 20% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 9% of US counties

Risk Overview

About Natural Disaster Risk in Wayne County, Iowa

Wayne County ranks among America's safest

Wayne County's composite score of 22.01 places it in the Very Low category and 45% below the national average. The county enjoys one of the lowest natural disaster risk profiles in the United States.

Iowa's lowest-risk county

Wayne scores just 22.01, the lowest among all Iowa counties and far below the state average of 39.68. The county benefits from minimal exposure across nearly all major hazard types.

By far the safest in the region

Wayne's 22.01 score dramatically undercuts all neighboring counties, including Van Buren (33.62), Warren (36.10), and Washington (44.18). Wayne stands as a genuine natural disaster safety haven in south-central Iowa.

Tornadoes remain the primary concern

Tornado risk at 55.18 is Wayne's leading hazard, though wildfire risk (43.16) and flood risk (14.03) are both remarkably low. The county's exceptional safety stems largely from minimal flood and earthquake exposure.

Standard homeowners policy likely sufficient

Wayne residents enjoy substantially lower insurance risk than most Americans, making standard homeowners coverage with wind protection appropriate for most properties. Focus on competitive quotes rather than specialty coverage.

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

Preparedness Guide

What to Prepare for in Wayne County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    55th percentile
  2. #2
    WildfirePrepare
    43th percentile
  3. #3
    EarthquakePrepare
    20th percentile

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

Risk Advisory: Wayne County

Risk Verdict

Wayne County carries a low natural disaster risk burden, scoring at the 22th percentile under the FEMA National Risk Index. A 22th percentile score positions Wayne County among the nation's lower-risk counties, a genuinely favorable outcome — one that simple, low-cost preparedness habits can reinforce further.

Hazard Breakdown

Tornado risk is Wayne County's dominant natural hazard, ranked at the 55th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 43th percentile nationally. Additional tracked hazards include earthquake (20th percentile), flood (14th percentile), hurricane (9th percentile).

Preparedness Context

Wayne County's primary hazard, tornado, ranks at the 55th percentile nationally. In Wayne County, mobile homes and manufactured housing face significantly higher tornado risk than site-built structures; residents in these homes should identify the nearest permanent community shelter in advance. The secondary wildfire hazard at the 43th percentile nationally adds seasonal complexity to Wayne County's preparedness calendar, since wildfire and tornado risk often peak at different points in the year. The highest-risk window for tornado fatalities is overnight, when Wayne County residents may be asleep. A NOAA weather radio with overnight alert capability is the single most impactful low-cost preparedness step available to Wayne County households.

Regional Context

Compared to the Iowa county average, Wayne County's composite score runs 17.7 points lower — a gap that reflects the county's relatively modest hazard profile within its state context.

Is your household prepared for Wayne 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 Wayne County, IA?
Wayne County has a FEMA National Risk Index rating of Very Low, placing it in the 22th 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 Wayne County?
Wayne County is evaluated for five major natural hazard types: tornado (55th percentile), wildfire (43th percentile), earthquake (20th percentile), flooding (14th percentile), hurricane (9th percentile). The highest-risk hazard is tornado at the 55th 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 Wayne County risk compare to the Iowa average?
Wayne County's composite risk percentile is 22th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Wayne County faces lower natural disaster risk than the typical county in Iowa.
Is Wayne County at risk for tornado?
Yes, Wayne County's tornado risk is at the 55th percentile nationally. This is above the national median. For flooding specifically, Wayne County is at the 14th 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 Wayne County a safe place to live?
Wayne County's composite risk score of 22th 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 55th 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.