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

Allamakee County Disaster Risk

Allamakee County, Iowa

FEMA Risk Rating

Very Low

National Percentile

38th

of 3,144 counties

State Rank

#44

of 99 (1 = highest risk)

Flood Risk

50th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 50% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 17% of US counties

Tornado

Tornado and severe thunderstorm risk

Relatively Low

Higher than 56% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 12% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 12% of US counties

Risk Overview

About Natural Disaster Risk in Allamakee County, Iowa

Allamakee's Risk: Flood-Driven Profile

Allamakee County scores 38.20 overall, placing it just below Iowa's state average of 39.68 in the Very Low category. However, this modest composite masks significant flood vulnerability concentrated in specific areas due to the county's proximity to major river systems.

Below-Average Risk Statewide

Allamakee's Very Low rating positions it among Iowa's safer counties overall. However, the county's flood risk of 50.48 marks it as the clear outlier within its profile—a localized vulnerability that deserves focused attention.

Similar to Region but Wetter

Allamakee's 38.20 score aligns closely with neighboring Audubon at 38.58, but differs dramatically in hazard composition. While Audubon faces wildfire and tornado exposure, Allamakee's signature risk is flood danger from the Upper Iowa and Mississippi River systems.

Flooding Dominates Natural Hazard Profile

Allamakee's flood risk at 50.48 is more than double the state average, driven by river proximity and topography in this blufflands region. Tornadoes rank second at 55.66, while wildfire exposure remains minimal at 16.70.

Flood Insurance Is Essential Here

Allamakee residents in flood-prone areas must secure flood insurance through the National Flood Insurance Program—standard homeowners policies do not cover flooding. Elevate utilities, maintain sump pumps, and know your evacuation routes before flood season arrives.

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

Preparedness Guide

What to Prepare for in Allamakee County

Top Hazards by Exposure

  1. #1
    TornadoPrepare
    56th percentile
  2. #2
    FloodPrepare
    50th percentile
  3. #3
    WildfirePrepare
    17th percentile

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

Risk Advisory: Allamakee County

Risk Verdict

Allamakee County's natural disaster risk is among the lowest in the country, with a composite score at the 38th percentile nationally. A 38th percentile score positions Allamakee County among the nation's lower-risk counties, a genuinely favorable outcome — one that simple, low-cost preparedness habits can reinforce further.

Hazard Breakdown

Tornado risk is Allamakee County's dominant natural hazard, ranked at the 56th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 50th percentile nationally. Additional tracked hazards include wildfire (17th percentile), earthquake (12th percentile), hurricane (12th percentile).

Preparedness Context

Tornado risk is Allamakee County's top-ranked natural hazard at the 56th percentile nationally. For Allamakee County households, the most protective action available is identifying a reinforced interior room on the lowest floor — a bathroom, closet, or central hallway away from windows. The secondary flood hazard at the 50th percentile nationally adds seasonal complexity to Allamakee County's preparedness calendar, since flood and tornado risk often peak at different points in the year. A battery-powered NOAA All Hazards weather radio with an auto-alert tone is the highest-leverage single item for tornado preparedness in Allamakee County, since it delivers warnings even when power is out and phone networks are congested.

Regional Context

At just 1.5 composite points from the Iowa average, Allamakee County's natural disaster risk is closely in line with its in-state peers.

Is your household prepared for Allamakee 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 Allamakee County, IA?
Allamakee County has a FEMA National Risk Index rating of Very Low, placing it in the 38th 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 Allamakee County?
Allamakee County is evaluated for five major natural hazard types: tornado (56th percentile), flooding (50th percentile), wildfire (17th percentile), earthquake (12th percentile), hurricane (12th percentile). The highest-risk hazard is tornado at the 56th 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 Allamakee County risk compare to the Iowa average?
Allamakee County's composite risk percentile is 38th, compared to the Iowa state average of 40th percentile. The state's overall risk rating is Very Low. This means Allamakee County faces lower natural disaster risk than the typical county in Iowa.
Is Allamakee County at risk for tornado?
Yes, Allamakee County's tornado risk is at the 56th percentile nationally. This is above the national median. For flooding specifically, Allamakee County is at the 50th 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 Allamakee County a safe place to live?
Allamakee County's composite risk score of 38th 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 56th 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.