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

Keweenaw County Disaster Risk

Keweenaw County, Michigan

FEMA Risk Rating

Very Low

National Percentile

1th

of 3,144 counties

State Rank

#83

of 83 (1 = highest risk)

Flood Risk

15th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 15% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 15% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 2% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 0% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Keweenaw County, Michigan

Keweenaw County has minimal disaster risk

With a composite risk score of just 0.67, Keweenaw County ranks as very low risk—among the safest counties in the nation. This score reflects the county's remote Upper Peninsula location and natural protection from most hazard types.

Michigan's safest county

Keweenaw County's composite risk score of 0.67 is by far the lowest in Michigan, making it the state's least hazard-exposed county. The county faces virtually no risk from tornadoes, earthquakes, or hurricanes.

Exceptionally safe compared to peers

Keweenaw County's risk score of 0.67 is dramatically lower than neighboring Luce County (2.58) and Lake County (22.04), reflecting its unique geographic isolation. Even the safest Lower Peninsula counties face significantly more natural disaster exposure.

Flood and wildfire risks are minimal

Keweenaw County's highest risk scores are flood (14.80) and wildfire (15.30), both remaining well below state averages. Tornado risk is nearly nonexistent at 1.78, and earthquake and hurricane risks register at zero.

Standard homeowners insurance suffices

Keweenaw County's minimal disaster risk means standard homeowners insurance provides adequate protection for most property owners. Residents can prioritize affordability and basic coverage without the additional riders often necessary in higher-risk areas.

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

Preparedness Guide

What to Prepare for in Keweenaw County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    15th percentile
  2. #2
    FloodPrepare
    15th percentile
  3. #3
    TornadoPrepare
    2th percentile

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

Risk Advisory: Keweenaw County

Risk Verdict

Keweenaw County sits in the lower tier of U.S. counties for natural disaster exposure, ranked at the 1th percentile nationally. Residents of Keweenaw County can use the 1th percentile ranking as a baseline, while recognizing that individual properties may still lie in specific hazard zones that differ from the county average.

Hazard Breakdown

Wildfire risk is Keweenaw County's dominant natural hazard, ranked at the 15th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 15th percentile nationally. Additional tracked hazards include tornado (2th percentile), earthquake (0th percentile), hurricane (0th percentile).

Preparedness Context

At the 15th percentile nationally for wildfire risk, Keweenaw County households benefit from creating defensible space — a buffer of reduced vegetation around structures — and reviewing whether homeowners insurance covers wildfire damage in this region. The county's flood exposure at the 15th percentile nationally complements the wildfire risk — saturating rain after burn scarring often triggers secondary flood and debris flow events. Enrolling in the county's wireless emergency alert system and keeping a vehicle at least half-full during peak fire season are low-cost habits that dramatically reduce evacuation lag time for Keweenaw County residents.

Regional Context

Keweenaw County falls 48.9 points below Michigan's typical county risk level, making it one of the safer natural-hazard environments in the state.

Is your household prepared for Keweenaw 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 Keweenaw County, MI?
Keweenaw County has a FEMA National Risk Index rating of Very Low, placing it in the 1th 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 Keweenaw County?
Keweenaw County is evaluated for five major natural hazard types: wildfire (15th percentile), flooding (15th percentile), tornado (2th percentile), earthquake (0th percentile), hurricane (0th percentile). The highest-risk hazard is wildfire at the 15th 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 Keweenaw County risk compare to the Michigan average?
Keweenaw County's composite risk percentile is 1th, compared to the Michigan state average of 50th percentile. The state's overall risk rating is Relatively Low. This means Keweenaw County faces lower natural disaster risk than the typical county in Michigan.
Is Keweenaw County at risk for wildfire?
Yes, Keweenaw County's wildfire risk is at the 15th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Keweenaw County is at the 15th 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 Keweenaw County a safe place to live?
Keweenaw County's composite risk score of 1th percentile is below the Michigan state average of 50th percentile, indicating relatively lower exposure to natural hazards. However, no county is completely risk-free. The primary hazard type is wildfire at the 15th 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.