Macomb County Disaster Risk
Macomb County, Michigan
FEMA Risk Rating
Relatively High
National Percentile
97th
of 3,144 counties
State Rank
#3
of 83 (1 = highest risk)
Flood Risk
97th
percentile
Hazard Risk Breakdown
Flood
River, coastal, and surface flooding risk
Relatively High
Higher than 97% 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
Relatively High
Higher than 99% of US counties
Earthquake
Seismic activity and ground shaking risk
Moderate
Higher than 84% of US counties
Hurricane
Tropical cyclone and hurricane risk
Relatively Low
Higher than 50% of US counties
Risk Overview
About Natural Disaster Risk in Macomb County, Michigan
Macomb County faces higher-than-average disaster risk
With a composite risk score of 96.66 and a "Relatively High" rating, Macomb County ranks among the higher-risk counties nationally. This score nearly double Michigan's state average of 49.56, signaling serious exposure to multiple natural hazards.
Near the top of Michigan's risk rankings
Macomb County's 96.66 score places it among Michigan's highest-risk counties, well above the state average. This positions Macomb residents in a significantly more vulnerable position than most of their fellow Michiganders.
Highest-risk county in Southeast Michigan
Macomb's composite score of 96.66 substantially exceeds nearby Wayne County and Oakland County across multiple hazard categories. Among the Detroit metropolitan area's major counties, Macomb faces the steepest combined disaster risk.
Tornadoes and flooding dominate the threat landscape
Tornado risk (99.30) and flood risk (97.46) represent Macomb County's most dangerous hazards—both scoring in the top tier nationally. Earthquake risk (83.59) also poses significant concern, making this a multi-hazard danger zone for residents.
Comprehensive insurance is essential in Macomb
Macomb County residents must prioritize flood insurance and tornado-resistant reinforcements, as both hazards pose genuine threats to homes and property. Review insurance policies annually, secure a basement shelter or safe room, and maintain emergency supplies for rapid weather events.
Source: FEMA National Risk Index · Narrative reviewed by Evan Brooks, Data Editor
Preparedness Guide
What to Prepare for in Macomb County
Top Hazards by Exposure
Source: FEMA National Risk Index v1.19.0 · Percentiles are national (3,144 counties)
Risk Advisory: Macomb County
Risk Verdict
FEMA's National Risk Index places Macomb County at the 97th percentile nationally — in the high-risk bracket for U.S. counties. Residents should prioritize a formal household emergency plan, including evacuation routes, insurance review, and a well-stocked emergency kit.
Hazard Breakdown
Tornado risk is Macomb County's dominant natural hazard, ranked at the 99th percentile nationally under FEMA's National Risk Index. Flood ranks second at the 97th percentile nationally. Additional tracked hazards include earthquake (84th percentile), hurricane (50th percentile), wildfire (42th percentile).
Preparedness Context
With tornado ranked at the 99th percentile nationally, Macomb County sits in a high-exposure zone where the difference between outcomes often comes down to proximity to a reinforced interior shelter and seconds of warning time. Flood is the second hazard driver for Macomb County at the 97th percentile nationally, meaning households should maintain awareness of both severe-weather and flood-specific warning systems. For Macomb County households, safe rooms certified to FEMA 320/361 standards offer the highest protection during a direct tornado hit; households without a safe room should locate the innermost lowest-floor room in their building and practice the route to it before storm season.
Regional Context
Macomb County is 47.1 composite risk points above the Michigan average, indicating that residents face greater natural hazard exposure than most of their in-state neighbors.
Is your household prepared for Macomb County's hazards?
Review FEMA's county-specific preparedness checklists and emergency planning guides.
Frequently Asked Questions
What is the natural disaster risk in Macomb County, MI?
What types of natural hazards affect Macomb County?
How does Macomb County risk compare to the Michigan average?
Is Macomb County at risk for tornado?
How is natural disaster risk measured?
Why is Macomb County higher risk than average?
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.