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

Ida County Disaster Risk

Ida County, Iowa

FEMA Risk Rating

Very Low

National Percentile

18th

of 3,144 counties

State Rank

#89

of 99 (1 = highest risk)

Flood Risk

18th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 18% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 20% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 59% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 6% of US counties

Risk Overview

About Natural Disaster Risk in Ida County, Iowa

Ida: Very Low Risk County

Ida County's composite risk score of 18.35 ranks in the Very Low category, well below both Iowa's state average of 39.68 and the national average. The county's hazard profile reflects modest exposure to most natural disaster types.

Among Iowa's Safest Communities

Ida ranks among Iowa's lower-risk counties, its 18.35 composite score substantially below the state average. The county demonstrates consistent low-to-moderate exposure across its primary hazard categories.

Safer Than Most Regional Peers

Ida's neighbors show higher risk: Harrison (31.30), Hardin (58.40), and Iowa (28.24) all exceed Ida's 18.35 score. Only Howard County (15.59) ranks safer in the immediate region, making Ida one of the area's most protected communities.

Tornado Risk Ida's Main Concern

Tornado risk (59.10) is Ida's highest hazard exposure, scoring notably above state averages. Flood (18.45) and wildfire (20.17) risks remain well below regional benchmarks, while earthquake exposure is minimal.

Tornado Insurance Is Key Priority

Ida residents should verify homeowners policies include wind and tornado coverage, addressing the county's primary hazard. Develop a family tornado plan, maintain emergency supplies, and review your coverage limits annually to ensure adequate protection against the county's main natural disaster risk.

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

Preparedness Guide

What to Prepare for in Ida County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    59th percentile
  2. #2
    WildfirePrepare
    20th percentile
  3. #3
    FloodPrepare
    18th percentile

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

Risk Advisory: Ida County

Risk Verdict

Compared to the nation's 3,144 counties, Ida County ranks at the 18th percentile for natural disaster risk — toward the safer end of the spectrum. Even at the 18th percentile, Ida County's composite score reflects real hazard exposure categories — knowing which ones apply locally enables targeted, efficient household preparedness.

Hazard Breakdown

Tornado risk is Ida County's dominant natural hazard, ranked at the 59th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 20th percentile nationally. Additional tracked hazards include flood (18th percentile), earthquake (6th percentile).

Preparedness Context

Tornado exposure at the 59th percentile nationally makes Ida County a county where a battery-powered weather radio — not just smartphone apps — is a worthwhile household investment, given that mobile networks often fail during severe storms. Alongside tornado exposure, wildfire at the 20th percentile nationally means Ida County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. In Ida County, tornado watches indicate favorable atmospheric conditions while warnings mean rotation has been detected — households benefit from understanding this distinction so they shelter immediately on a warning, not after seeking visual confirmation.

Regional Context

At 21.3 points below the Iowa state average, Ida County is among the lower-risk counties in the state for natural disaster exposure.

Is your household prepared for Ida 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 Ida County, IA?
Ida County has a FEMA National Risk Index rating of Very Low, placing it in the 18th 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 Ida County?
Ida County is evaluated for five major natural hazard types: tornado (59th percentile), wildfire (20th percentile), flooding (18th percentile), earthquake (6th percentile). The highest-risk hazard is tornado at the 59th 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 Ida County risk compare to the Iowa average?
Ida County's composite risk percentile is 18th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Ida County faces lower natural disaster risk than the typical county in Iowa.
Is Ida County at risk for tornado?
Yes, Ida County's tornado risk is at the 59th percentile nationally. This is above the national median. For flooding specifically, Ida County is at the 18th 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 Ida County a safe place to live?
Ida County's composite risk score of 18th 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 59th 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.