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

Cedar County Disaster Risk

Cedar County, Iowa

FEMA Risk Rating

Very Low

National Percentile

22th

of 3,144 counties

State Rank

#84

of 99 (1 = highest risk)

Flood Risk

28th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 28% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 32% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 46% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 27% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 10% of US counties

Risk Overview

About Natural Disaster Risk in Cedar County, Iowa

Cedar County ranks among America's safest

Cedar County's composite risk score of 21.50 places it in the Very Low category—among the lowest-risk counties in the nation. Residents enjoy substantially less natural disaster exposure than the typical American county.

Iowa's safest county overall

At 21.50, Cedar County scores 46% below Iowa's state average of 39.68, making it the most resilient county in this analysis. The county represents one of Iowa's best outcomes across all natural hazard categories combined.

Clearly the region's safest community

Cedar (21.50) ranks below all eight counties analyzed, edging ahead of Bremer (24.55) and Buchanan (24.05) in the safer eastern cluster. It sits dramatically below the riskier western counties like Cass (60.05) and Carroll (57.60).

Earthquake risk unexpectedly elevated

Earthquake risk (27.35) is Cedar's highest hazard, though still low in absolute terms and reflecting regional seismic activity. Tornado risk (45.64), wildfire risk (31.77), and flood risk (27.61) are all present but moderate, with hurricane risk minimal.

Standard coverage typically sufficient

Cedar County residents can generally rely on comprehensive homeowner's insurance with standard wind and hail coverage as their primary protection. Families near waterways should still evaluate flood insurance, but overall exposure is low enough to make Cedar one of Iowa's safest places to live.

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

Preparedness Guide

What to Prepare for in Cedar County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    46th percentile
  2. #2
    WildfirePrepare
    32th percentile
  3. #3
    FloodPrepare
    28th percentile

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

Risk Advisory: Cedar County

Risk Verdict

Cedar County carries a low natural disaster risk burden, scoring at the 22th percentile under the FEMA National Risk Index. The 22th percentile national ranking is one lens; Cedar County residents also benefit from reviewing which specific hazard types drive the county's composite score and preparing accordingly.

Hazard Breakdown

Tornado risk is Cedar County's dominant natural hazard, ranked at the 46th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 32th percentile nationally. Additional tracked hazards include flood (28th percentile), earthquake (27th percentile), hurricane (10th percentile).

Preparedness Context

Cedar County's primary hazard, tornado, ranks at the 46th percentile nationally. In Cedar 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. Wildfire is the second hazard driver for Cedar County at the 32th percentile nationally, meaning households should maintain awareness of both severe-weather and wildfire-specific warning systems. The highest-risk window for tornado fatalities is overnight, when Cedar County residents may be asleep. A NOAA weather radio with overnight alert capability is the single most impactful low-cost preparedness step available to Cedar County households.

Regional Context

Compared to the Iowa county average, Cedar County's composite score runs 18.2 points lower — a gap that reflects the county's relatively modest hazard profile within its state context.

Is your household prepared for Cedar 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 Cedar County, IA?
Cedar 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 Cedar County?
Cedar County is evaluated for five major natural hazard types: tornado (46th percentile), wildfire (32th percentile), flooding (28th percentile), earthquake (27th percentile), hurricane (10th percentile). The highest-risk hazard is tornado at the 46th 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 Cedar County risk compare to the Iowa average?
Cedar 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 Cedar County faces lower natural disaster risk than the typical county in Iowa.
Is Cedar County at risk for tornado?
Yes, Cedar County's tornado risk is at the 46th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Cedar County is at the 28th 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 Cedar County a safe place to live?
Cedar 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 46th 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.