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

Humboldt County Disaster Risk

Humboldt County, Iowa

FEMA Risk Rating

Very Low

National Percentile

24th

of 3,144 counties

State Rank

#77

of 99 (1 = highest risk)

Flood Risk

19th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 19% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 5% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 45% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 9% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 9% of US counties

Risk Overview

About Natural Disaster Risk in Humboldt County, Iowa

Humboldt: Very Low Risk Profile

Humboldt County's composite risk score of 24.08 earns a Very Low rating, substantially below Iowa's state average of 39.68 and the national baseline. The county benefits from relatively modest exposure across most natural hazard categories.

Well Below Iowa's Risk Average

Humboldt ranks safely within Iowa's natural disaster landscape, its 24.08 score reflecting significantly lower hazard exposure than the state average. The county's profile shows consistent low-to-moderate risk across multiple hazard types.

Among the Region's Safer Counties

Humboldt's neighbors vary in risk: Hancock (28.79) and Iowa (28.24) are slightly higher, while Howard (15.59) is lower. Humboldt sits comfortably in the safer half of its regional peer group, with notably lower risk than more western neighbors like Ida.

Tornado Risk Dominates Hazards

Tornado risk (45.45) is Humboldt's primary natural hazard concern, scoring moderate compared to the state average. Flood (18.89), wildfire (5.06), and earthquake (8.56) risks all remain well below regional and state benchmarks.

Basic Coverage Provides Protection

Humboldt residents should ensure homeowners insurance covers wind and tornado damage, the county's main hazard. Annual policy reviews, a tornado safety plan, and weather alert subscriptions provide essential protection without requiring specialized coverage.

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

Preparedness Guide

What to Prepare for in Humboldt County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    45th percentile
  2. #2
    FloodPrepare
    19th percentile
  3. #3
    HurricanePrepare
    9th percentile

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

Risk Advisory: Humboldt County

Risk Verdict

At the 24th percentile nationally, Humboldt County experiences relatively limited natural hazard pressure compared to most of the country. The 24th percentile national ranking is one lens; Humboldt County residents also benefit from reviewing which specific hazard types drive the county's composite score and preparing accordingly.

Hazard Breakdown

Tornado risk is Humboldt County's dominant natural hazard, ranked at the 45th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 19th percentile nationally. Additional tracked hazards include hurricane (9th percentile), earthquake (9th percentile), wildfire (5th percentile).

Preparedness Context

Humboldt County ranks at the 45th percentile nationally for tornado exposure. Unlike many slow-onset hazards, tornadoes in Humboldt County can reach full intensity in minutes; a pre-practiced household shelter plan matters far more than stockpiled supplies. Flood is the second hazard driver for Humboldt County at the 19th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. Humboldt County county emergency management typically publishes annual severe-weather preparedness guides tailored to local tornado patterns; households benefit from reviewing these before storm season begins each spring.

Regional Context

A composite score 15.6 points below the Iowa state average puts Humboldt County in a better-than-typical position relative to neighboring counties.

Is your household prepared for Humboldt 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 Humboldt County, IA?
Humboldt County has a FEMA National Risk Index rating of Very Low, placing it in the 24th 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 Humboldt County?
Humboldt County is evaluated for five major natural hazard types: tornado (45th percentile), flooding (19th percentile), hurricane (9th percentile), earthquake (9th percentile), wildfire (5th percentile). The highest-risk hazard is tornado at the 45th 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 Humboldt County risk compare to the Iowa average?
Humboldt County's composite risk percentile is 24th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Humboldt County faces lower natural disaster risk than the typical county in Iowa.
Is Humboldt County at risk for tornado?
Yes, Humboldt County's tornado risk is at the 45th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Humboldt County is at the 19th 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 Humboldt County a safe place to live?
Humboldt County's composite risk score of 24th 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 45th 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.