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

Palo Alto County Disaster Risk

Palo Alto County, Iowa

FEMA Risk Rating

Very Low

National Percentile

15th

of 3,144 counties

State Rank

#93

of 99 (1 = highest risk)

Flood Risk

9th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 9% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 11% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 39% 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 Palo Alto County, Iowa

Palo Alto County ranks among safest in nation

At 15.46, Palo Alto County's composite risk score is roughly one-third the national average, earning a Very Low rating and placing it well below typical U.S. disaster exposure. This low-risk profile makes it one of Iowa's safest counties for natural disasters.

Iowa's second-safest county by risk score

Palo Alto County's 15.46 score ranks it as one of the lowest-risk counties in Iowa, well below the state average of 39.68. Only Ringgold County (14.15) shows lower composite risk in the state, reflecting Palo Alto's exceptionally fortunate geographic position.

Significantly safer than surrounding counties

Palo Alto County's risk profile stands in stark contrast to its neighbors; Pocahontas County (33.05) and Plymouth County (49.20) both carry substantially higher hazard exposure. This makes Palo Alto one of the safest pockets in northwest Iowa.

Tornadoes remain your only notable concern

Tornado risk (38.77) is your county's primary hazard, though still below statewide tornado exposure. Flood (8.97), wildfire (10.97), and earthquake (6.20) risks are all minimal, reflecting Palo Alto's generally benign natural disaster environment.

Standard homeowners insurance provides solid protection

Palo Alto County's low-risk profile means standard homeowners insurance with tornado coverage is typically sufficient protection. Focus on maintaining a family emergency plan and safe room, as tornadoes remain your only significant weather threat.

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

Preparedness Guide

What to Prepare for in Palo Alto County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    39th percentile
  2. #2
    WildfirePrepare
    11th percentile
  3. #3
    FloodPrepare
    9th percentile

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

Local Resources

Risk Advisory: Palo Alto County

Risk Verdict

At the 15th percentile nationally, Palo Alto County experiences relatively limited natural hazard pressure compared to most of the country. Being ranked at the 15th percentile nationally is an advantage for Palo Alto County — it means fewer statistically likely events, though basic readiness ensures households are covered when exceptions occur.

Hazard Breakdown

Tornado risk is Palo Alto County's dominant natural hazard, ranked at the 39th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 11th percentile nationally. Additional tracked hazards include flood (9th percentile), earthquake (6th percentile).

Preparedness Context

Palo Alto County ranks at the 39th percentile nationally for tornado exposure. Unlike many slow-onset hazards, tornadoes in Palo Alto County can reach full intensity in minutes; a pre-practiced household shelter plan matters far more than stockpiled supplies. Alongside tornado exposure, wildfire at the 11th percentile nationally means Palo Alto County households face multi-hazard severe-weather seasons that benefit from a single integrated emergency plan covering both threats. Palo Alto 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 24.2 points below the Iowa state average puts Palo Alto County in a better-than-typical position relative to neighboring counties.

Is your household prepared for Palo Alto 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 Palo Alto County, IA?
Palo Alto County has a FEMA National Risk Index rating of Very Low, placing it in the 15th 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 Palo Alto County?
Palo Alto County is evaluated for five major natural hazard types: tornado (39th percentile), wildfire (11th percentile), flooding (9th percentile), earthquake (6th percentile). The highest-risk hazard is tornado at the 39th 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 Palo Alto County risk compare to the Iowa average?
Palo Alto County's composite risk percentile is 15th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Palo Alto County faces lower natural disaster risk than the typical county in Iowa.
Is Palo Alto County at risk for tornado?
Yes, Palo Alto County's tornado risk is at the 39th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Palo Alto County is at the 9th 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 Palo Alto County a safe place to live?
Palo Alto County's composite risk score of 15th 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 39th percentile. Residents should still maintain emergency preparedness plans and appropriate insurance coverage.

Counties with Similar Risk

Howard County

Iowa

+0.1

Very Low

16th percentile

Fremont County

Iowa

-0.5

Very Low

15th percentile

Osceola County

Iowa

-0.6

Very Low

15th percentile

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.

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