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

Wright County Disaster Risk

Wright County, Iowa

FEMA Risk Rating

Very Low

National Percentile

42th

of 3,144 counties

State Rank

#38

of 99 (1 = highest risk)

Flood Risk

35th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 35% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 7% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 54% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 17% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 17% of US counties

Risk Overview

About Natural Disaster Risk in Wright County, Iowa

Wright County has near-average disaster risk

With a composite risk score of 41.51, Wright County ranks as very low and sits just slightly above Iowa's state average of 39.68. The county's risk profile is broadly representative of midwestern counties, driven primarily by moderate tornado and flood exposure.

Middle-tier risk among Iowa counties

Wright County's composite risk score of 41.51 places it marginally above Iowa's state average of 39.68, making it a relatively typical Iowa county in disaster vulnerability. The county avoids the extreme concentrations of risk seen in a few high-exposure areas.

More vulnerable than Worth, less than Woodbury

Wright County's risk score of 41.51 sits squarely between Worth County (9.86) and Woodbury County (83.27), reflecting moderate regional variation in hazard exposure. The county's tornado and flood risks are notably higher than Worth's but substantially lower than Woodbury's.

Tornado and flood are the primary threats

Tornado risk of 54.39 and flood risk of 35.05 represent Wright County's primary natural disaster exposures, with both at or above state averages. Secondary risks—wildfire (7.28), earthquake (16.76), and hurricane (16.65)—remain minimal, focusing concern on spring severe weather and seasonal flooding.

Standard insurance with tornado readiness

Wright County residents should ensure homeowners insurance covers wind and hail damage and maintain adequate flood coverage, especially if your property sits in or near floodplain areas. Develop a tornado safety plan with a designated safe room, keep emergency supplies ready, and monitor spring weather forecasts closely.

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

Preparedness Guide

What to Prepare for in Wright County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    54th percentile
  2. #2
    FloodPrepare
    35th percentile
  3. #3
    EarthquakePrepare
    17th percentile

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

Risk Advisory: Wright County

Risk Verdict

Wright County's overall natural disaster score at the 42th percentile puts it well below the national median for hazard exposure. At the 42th percentile, Wright County's risk profile is among the more manageable in the country — the hazard-specific breakdown above shows where any remaining preparedness focus is best directed.

Hazard Breakdown

Tornado risk is Wright County's dominant natural hazard, ranked at the 54th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 35th percentile nationally. Additional tracked hazards include earthquake (17th percentile), hurricane (17th percentile), wildfire (7th percentile).

Preparedness Context

With tornado ranked at the 54th percentile nationally, Wright County sits in a high-exposure zone where the difference between outcomes often comes down to proximity to a reinforced interior shelter and seconds of warning time. The secondary flood hazard at the 35th percentile nationally adds seasonal complexity to Wright County's preparedness calendar, since flood and tornado risk often peak at different points in the year. For Wright County households, safe rooms certified to FEMA 320/361 standards offer the highest protection during a direct tornado hit; households without a safe room should locate the innermost lowest-floor room in their building and practice the route to it before storm season.

Regional Context

Wright County's risk score is broadly comparable to the Iowa county average, with a 1.8-point gap that places the county near the center of the state's hazard distribution.

Is your household prepared for Wright 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 Wright County, IA?
Wright County has a FEMA National Risk Index rating of Very Low, placing it in the 42th 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 Wright County?
Wright County is evaluated for five major natural hazard types: tornado (54th percentile), flooding (35th percentile), earthquake (17th percentile), hurricane (17th percentile), wildfire (7th percentile). The highest-risk hazard is tornado at the 54th 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 Wright County risk compare to the Iowa average?
Wright County's composite risk percentile is 42th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Wright County faces higher natural disaster risk than the typical county in Iowa.
Is Wright County at risk for tornado?
Yes, Wright County's tornado risk is at the 54th percentile nationally. This is above the national median. For flooding specifically, Wright County is at the 35th 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.
Why is Wright County higher risk than average?
Wright County's composite risk score of 42th percentile is above the Iowa state average of 40th percentile. This elevated risk is driven by tornado exposure (54th percentile). Geographic location, terrain, climate patterns, and proximity to flood zones or fault lines all influence a county's risk profile.
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.