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

Mason County Disaster Risk

Mason County, Michigan

FEMA Risk Rating

Very Low

National Percentile

25th

of 3,144 counties

State Rank

#62

of 83 (1 = highest risk)

Flood Risk

45th

percentile

Hazard Risk Breakdown

Flood

River, coastal, and surface flooding risk

Relatively Low

Higher than 45% of US counties

Wildfire

Wildland and wildland-urban interface fire risk

Very Low

Higher than 42% of US counties

Tornado

Tornado and severe thunderstorm risk

Very Low

Higher than 25% of US counties

Earthquake

Seismic activity and ground shaking risk

Very Low

Higher than 23% of US counties

Hurricane

Tropical cyclone and hurricane risk

Very Low

Higher than 16% of US counties

Risk Overview

About Natural Disaster Risk in Mason County, Michigan

Mason County remains among the nation's safest

Mason County's composite risk score of 25.35 with a "Very Low" rating places it in the safest tier of American counties for natural disasters. This score sits well below the national median, offering residents exceptional disaster protection.

One of Michigan's lowest-risk counties

At 25.35, Mason County scores less than half of Michigan's state average of 49.56, ranking among the state's safest communities. Few Michigan counties offer lower combined natural disaster risk than Mason.

Safest in the lakeshore region

Mason County's 25.35 score beats nearby Manistee County (37.21) and significantly outpaces Mecosta County (69.85) to the east. Among West Michigan's lakeshore and inland counties, Mason provides exceptional safety.

Flood risk slightly elevated, others minimal

Flood risk (44.85) represents Mason County's highest hazard exposure, reflecting its Lake Michigan location and coastal hydrology. Wildfire risk (41.54), tornado risk (25.16), and other hazards remain well-controlled.

Standard coverage suffices for most Mason County homes

Waterfront and flood-zone properties should carry flood insurance, but most inland Mason County residents can rely on basic homeowners policies. Annual policy reviews and simple weather preparedness measures provide adequate protection for this very low-risk county.

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

Preparedness Guide

What to Prepare for in Mason County

Top Hazards by Exposure

  1. #1
    FloodPrepare
    45th percentile
  2. #2
    WildfirePrepare
    42th percentile
  3. #3
    TornadoPrepare
    25th percentile

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

Risk Advisory: Mason County

Risk Verdict

At the 25th percentile nationally, Mason County experiences relatively limited natural hazard pressure compared to most of the country. A 25th percentile score positions Mason County among the nation's lower-risk counties, a genuinely favorable outcome — one that simple, low-cost preparedness habits can reinforce further.

Hazard Breakdown

Flood risk is Mason County's dominant natural hazard, ranked at the 45th percentile nationally under FEMA's National Risk Index. Wildfire ranks second at the 42th percentile nationally. Additional tracked hazards include tornado (25th percentile), earthquake (23th percentile), hurricane (16th percentile).

Preparedness Context

Mason County sits at the 45th percentile nationally for flood exposure. Knowing your property's flood zone designation — available at FEMA's Flood Map Service Center — is the first step toward understanding actual exposure and insurance options. Secondary wildfire exposure at the 42th percentile adds a second preparedness layer; households should review coverage options and alert sign-up for both hazard types. Regardless of specific hazard, Mason County households benefit from a practiced communication plan: a designated out-of-state contact and a pre-agreed evacuation destination established before the season's peak risk period.

Regional Context

A composite score 24.2 points below the Michigan state average puts Mason County in a better-than-typical position relative to neighboring counties.

Is your household prepared for Mason 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 Mason County, MI?
Mason County has a FEMA National Risk Index rating of Very Low, placing it in the 25th 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 Mason County?
Mason County is evaluated for five major natural hazard types: flooding (45th percentile), wildfire (42th percentile), tornado (25th percentile), earthquake (23th percentile), hurricane (16th percentile). The highest-risk hazard is flooding at the 45th 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 Mason County risk compare to the Michigan average?
Mason County's composite risk percentile is 25th, compared to the Michigan state average of 50th percentile. The state's overall risk rating is Relatively Low. This means Mason County faces lower natural disaster risk than the typical county in Michigan.
Is Mason County at risk for flooding?
Yes, Mason County's flooding risk is at the 45th percentile nationally. This is below the national median, indicating relatively lower exposure.
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 Mason County a safe place to live?
Mason County's composite risk score of 25th 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 flooding at the 45th 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.