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

Alger County Disaster Risk

Alger County, Michigan

FEMA Risk Rating

Very Low

National Percentile

10th

of 3,144 counties

State Rank

#78

of 83 (1 = highest risk)

Flood Risk

22th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Very Low

Higher than 22% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 29% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 9% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 1% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 0% of US counties

Risk Overview

About Natural Disaster Risk in Alger County, Michigan

Alger ranks among safest in nation

Alger County's composite risk score of 9.61 earns a Very Low rating, placing it well below the national average. The county faces minimal exposure across virtually all major natural disaster hazards.

Michigan's lowest-risk county

Alger County scores just 9.61 against Michigan's state average of 49.56, making it one of the state's safest jurisdictions. The county's Very Low rating reflects minimal vulnerability to most disaster types.

Lower risk than regional counterparts

Alger's score of 9.61 significantly outpaces Baraga County at 10.66 and substantially beats Alpena County at 28.34. The county's Upper Peninsula location offers notable natural disaster protection.

Modest flood risk, minimal others

Alger's highest hazard exposure is flood risk at 22.04, followed by wildfire at 28.91, both below state norms. Earthquake and hurricane risks are essentially absent, scoring 1.02 and 0.00 respectively.

Basic coverage meets most needs

A standard homeowners policy provides adequate protection for Alger residents, covering tornado and wind damage. Flood insurance remains optional given the county's low flood exposure, though waterfront properties should consider it.

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

Preparedness Guide

What to Prepare for in Alger County

Top Hazards by Exposure

  1. #1
    WildfirePrepare
    29th percentile
  2. #2
    FloodPrepare
    22th percentile
  3. #3
    TornadoPrepare
    9th percentile

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

Risk Advisory: Alger County

Risk Verdict

Alger County carries a low natural disaster risk burden, scoring at the 10th percentile under the FEMA National Risk Index. Residents of Alger County can use the 10th 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 Alger County's dominant natural hazard, ranked at the 29th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 22th percentile nationally. Additional tracked hazards include tornado (9th percentile), earthquake (1th percentile), hurricane (0th percentile).

Preparedness Context

Wildfire ranks as Alger County's primary hazard at the 29th percentile nationally. For Alger County households in high-WUI areas, go-bag readiness — the ability to leave within 15 minutes — is more important than shelter-in-place planning for most residential properties. A secondary flood exposure at the 22th percentile nationally means Alger County residents face hazards from two distinct natural peril categories during different seasons. Alger County county's local emergency management office publishes community-specific wildfire risk assessments and evacuation zone maps; households should review their zone assignment and sign up for zone-specific alerts.

Regional Context

Compared to the Michigan county average, Alger County's composite score runs 40.0 points lower — a gap that reflects the county's relatively modest hazard profile within its state context.

Is your household prepared for Alger 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 Alger County, MI?
Alger County has a FEMA National Risk Index rating of Very Low, placing it in the 10th 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 Alger County?
Alger County is evaluated for five major natural hazard types: wildfire (29th percentile), flooding (22th percentile), tornado (9th percentile), earthquake (1th percentile), hurricane (0th percentile). The highest-risk hazard is wildfire at the 29th 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 Alger County risk compare to the Michigan average?
Alger County's composite risk percentile is 10th, compared to the Michigan state average of 50th percentile. The state's overall risk rating is Relatively Low. This means Alger County faces lower natural disaster risk than the typical county in Michigan.
Is Alger County at risk for wildfire?
Yes, Alger County's wildfire risk is at the 29th percentile nationally. This is below the national median, indicating relatively lower exposure. For flooding specifically, Alger County is at the 22th 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 Alger County a safe place to live?
Alger County's composite risk score of 10th 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 29th 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.