Boulder Disaster Risk Score & Hazard Analysis
With a population of 120,121 and a calculated risk score of 84.8, Boulder faces unique challenges. This page is a complete hazard risk assessment for Boulder, CO. Calling Boulder home means understanding its environment. While often overlooked, the local hazard data is clear. The numbers show a clear susceptibility to river flooding.
Total Risk Score
Our algorithm assigns Boulder a Risk Score of 84.765 out of 100. This score is heavily influenced by the high probability of River Flooding and Wildfire.
Top Hazards for The Boulder Area
Within the specific ecosystem of Colorado, river flooding frequency is a defining characteristic of the local hazard profile. As a result, historical probability models result in a localized score of 98.1/100. Residents in low-lying zones should have evacuation routes mapped out well in advance.
Comparisons of local data to the rest of Colorado reveal, Boulder faces a critical challenge with wildfire events. In light of this, with a calculated Risk Score of 96.7, this hazard ranks among the top concerns. Ember intrusion is a major threat; ensuring vents are screened is a critical home upgrade.
Within the specific ecosystem of Colorado, landslide frequency is a defining characteristic of the local hazard profile. As a result, historical probability models result in a localized score of 96.2/100. Securing heavy furniture and knowing how to shut off gas lines are top priorities here.
Monitor Active Threats
Boulder has identified seismic or wildfire risks. Check our real-time tracker for active events.

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

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

Home
Gorilla Tape (Black)
Heavy-duty tape for emergency repairs, sealing windows, or medical improvisation.

Pets
PetBonus Collapsible Dog Bowls
Collapsible bowls for easy packing. Hydration is critical for pets during stress.
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 |
|---|---|---|
| Denver | 90.3 | Denver and Boulder share similar regional risks, but our data gives Boulder the edge in overall safety. |
| Colorado Springs | 91.0 | When compared to Colorado Springs, Boulder is statistically safer. The difference of 6.2 points highlights local geological and meteorological variations. |
| Aurora | 91.8 | Aurora and Boulder share similar regional risks, but our data gives Boulder the edge in overall safety. |
| Fort Collins | 90.9 | Fort Collins and Boulder share similar regional risks, but our data gives Boulder the edge in overall safety. |
| Lakewood | 92.5 | Choosing between Boulder and Lakewood? Boulder presents a lower overall risk profile. |
Frequently Asked Questions
How common are River Floodings in Boulder?
With a risk score of 98.1 for River Flooding, Boulder 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 Boulder safer than other cities in Colorado?
It varies by hazard. While Boulder has its own risk profile (Total Score: 84.8), it is generally comparable to the average in Colorado. See our state rankings for a direct comparison.
Should I move to Boulder given the risk of Wildfire?
Every city has risks. The threat of Wildfire (Score: 96.7) is manageable with proper preparation. The local infrastructure in Boulder is designed to handle this, but personal insurance and a 'go-bag' are recommended.
How does Boulder compare to other cities in Colorado?
See the full Colorado Disaster Rankings to see how Boulder stacks up against other cities in the state.