Detroit Disaster Risk Score & Hazard Analysis
With a population of 3,716,929 and a calculated risk score of 95.1, Detroit faces unique challenges. This page is a complete hazard risk assessment for Detroit, MI. For residents of Detroit, life moves at its own pace. Unfortunately, nature can be unpredictable in this region. You should be particularly prepared for river flooding events.
Total Risk Score
Our algorithm assigns Detroit a Risk Score of 95.123 out of 100. This score is heavily influenced by the high probability of River Flooding and Heat Wave.
Top Hazards for The Detroit Area
Given the environmental patterns common in Michigan, the potential for river flooding in Detroit stands out as a primary factor. Additionally, this score of 99.5 reflects both the frequency and potential severity of events. For those near water, having a 'go-bag' ready for rapid evacuation is non-negotiable.
Observing the seasonal cycles typical of Michigan, heat waves constitute a major variable in the local quality of life equations. Moreover weighted against regional averages, this score of 99.4 is statistically significant. For new residents, understanding the severity of heat waves in their specific zip code is vital.
Looking at the long-term climate history of Michigan, resilience against tornadoes is a key aspect of local safety. Therefore, we calculate a specific index of 99.2, indicating a substantial threat level. Staying off the roads during a severe tornado event is the safest choice.

The Apartment Fortress
Living in Detroit? Learn how to handle water storage, sanitation, and security in a small space.
How to Prepare in Detroit
Read the Full Guide →General preparedness is critical for Detroit. While specific risks vary, the fundamentals of survival—water, food, and information—remain the same.
Critical Action Checklist
- 1Prepare for secondary heat waves if power is lost.
- 2Keep a physical map of the local area in case GPS fails.
- 3Maintain a 3-day supply of non-perishable food and water.
- 4Have a first aid kit and a supply of prescription medications.
- 5Keep a battery-powered radio to stay informed during power outages.
Essential Gear for Detroit

Water
Sawyer Products Mini Water Filtration System
Filters up to 100,000 gallons. Essential when tap water is compromised.

Power
Anker PowerCore 10K
Pocket-sized power to keep your phone alive for emergency calls.

Power
Petzl Actik Core Headlamp
600 lumens and rechargeable. Hands-free lighting is critical during power outages.
Your safety depends on your readiness. Start building your emergency kit for River Flooding now.
View Complete Gear Checklist →Compare Nearby Cities
| City | Risk Score | Analysis |
|---|---|---|
| Grand Rapids | 83.8 | Grand Rapids and Detroit share similar regional risks, but our data gives Grand Rapids the edge in overall safety. |
| Lansing | 75.7 | When compared to Lansing, Detroit is slightly higher risk. The difference of 19.4 points highlights local geological and meteorological variations. |
| Ann Arbor | 78.0 | Ann Arbor and Detroit share similar regional risks, but our data gives Ann Arbor the edge in overall safety. |
| Flint | 84.7 | Choosing between Detroit and Flint? Detroit presents a unique set of challenges. |
| Kalamazoo | 71.7 | Kalamazoo and Detroit share similar regional risks, but our data gives Kalamazoo the edge in overall safety. |
Frequently Asked Questions
How common are River Floodings in Detroit?
With a risk score of 99.5 for River Flooding, Detroit is considered highly vulnerable. Residents should have a specific plan for River Flooding events, which are the primary driver of the city's overall risk profile.
Is Detroit safer than other cities in Michigan?
It varies by hazard. While Detroit has its own risk profile (Total Score: 95.1), it is among the higher-risk areas in Michigan. See our state rankings for a direct comparison.
Should I move to Detroit given the risk of Heat Wave?
Every city has risks. The threat of Heat Wave (Score: 99.4) is manageable with proper preparation. The local infrastructure in Detroit is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does Detroit compare to other cities in Michigan?
See the full Michigan Disaster Rankings to see how Detroit stacks up against other cities in the state.