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

Minidoka County Disaster Risk

Minidoka County, Idaho

FEMA Risk Rating

Very Low

National Percentile

20th

of 3,144 counties

State Rank

#32

of 44 (1 = highest risk)

Flood Risk

32th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 32% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Relatively Low

Higher than 55% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 8% of US counties

Earthquake

Seismic activity and ground shaking risk

Relatively Low

Higher than 74% of US counties

Risk Overview

About Natural Disaster Risk in Minidoka County, Idaho

Minidoka County shows low national risk profile

Minidoka County's composite risk score of 20.48 places it well below the national average and earns a "Very Low" risk rating. This relatively safe standing means residents face fewer natural disaster threats than most Americans, though localized hazards still warrant attention.

Among Idaho's safest counties

Minidoka County's score of 20.48 sits substantially below Idaho's state average of 38.51, making it one of the state's lower-risk counties. This favorable position reflects moderate earthquake exposure and manageable flood and wildfire threats compared to neighboring regions.

Minidoka offers relative safety in the region

At 20.48, Minidoka County is nearly as safe as neighboring Oneida County (1.40) and slightly lower-risk than Payette County (17.11), establishing the southern Idaho region as comparatively secure. Madison County's 58.62 score underscores how different hazard exposure can be across the state.

Earthquakes present the main concern

Minidoka County's earthquake risk of 74.33 represents the county's primary natural disaster exposure, though this score remains moderate compared to the most seismically active Idaho counties. Wildfire risk at 55.34 poses a secondary threat, particularly during dry summer months when vegetation becomes more flammable.

Earthquake insurance adds essential protection

While Minidoka County's overall risk is low, its moderate earthquake score of 74.33 makes earthquake insurance a smart investment for homeowners seeking comprehensive protection. A standard homeowners policy protects against wildfire, but earthquake coverage must typically be purchased separately and should be considered given the region's seismic activity.

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

Preparedness Guide

What to Prepare for in Minidoka County

Top Hazards by Exposure

  1. #1
    EarthquakePrepare
    74th percentile
  2. #2
    WildfirePrepare
    55th percentile
  3. #3
    FloodPrepare
    32th percentile

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

Risk Advisory: Minidoka County

Risk Verdict

At the 20th percentile nationally, Minidoka County experiences relatively limited natural hazard pressure compared to most of the country. Being ranked at the 20th percentile nationally is an advantage for Minidoka County — it means fewer statistically likely events, though basic readiness ensures households are covered when exceptions occur.

Hazard Breakdown

Earthquake risk is Minidoka County's dominant natural hazard, ranked at the 74th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 55th percentile nationally. Additional tracked hazards include flood (32th percentile), tornado (8th percentile).

Preparedness Context

Minidoka County ranks at the 74th percentile nationally for earthquake risk. Unlike most natural hazards, earthquakes provide no advance warning; preparedness here means structural adjustments and a practiced response, not alert monitoring. Wildfire at the 55th percentile nationally is a separate hazard dimension for Minidoka County that requires different protective strategies from earthquake preparedness. For earthquake preparedness, Minidoka County's county emergency management office often maintains a list of community water supply points, Red Cross shelter locations, and post-quake assistance programs — useful resources to identify before an event occurs.

Regional Context

A composite score 18.0 points below the Idaho state average puts Minidoka County in a better-than-typical position relative to neighboring counties.

Is your household prepared for Minidoka 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 Minidoka County, ID?
Minidoka County has a FEMA National Risk Index rating of Very Low, placing it in the 20th 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 Minidoka County?
Minidoka County is evaluated for five major natural hazard types: earthquake (74th percentile), wildfire (55th percentile), flooding (32th percentile), tornado (8th percentile). The highest-risk hazard is earthquake at the 74th 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 Minidoka County risk compare to the Idaho average?
Minidoka County's composite risk percentile is 20th, compared to the Idaho state average of 39th percentile. The state's overall risk rating is Very Low. This means Minidoka County faces lower natural disaster risk than the typical county in Idaho.
Is Minidoka County at risk for earthquake?
Yes, Minidoka County's earthquake risk is at the 74th percentile nationally. This is above the national median. For flooding specifically, Minidoka County is at the 32th 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 Minidoka County a safe place to live?
Minidoka County's composite risk score of 20th percentile is below the Idaho state average of 39th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is earthquake at the 74th 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.