Natural Disaster Risk in Wilsonville

Natural Hazard Profile: Wilsonville, Oregon

Located in the Pacific Northwest in Clackamas County, Wilsonville is a city of approximately 26,902 residents. The oceanic climate that characterizes this part of Oregon — marked by mild, wet winters on the coast and semi-arid conditions inland — directly influences the types and severity of natural hazards present, making Wilsonville a community where hazard awareness has real practical value.

Wilsonville's overall natural disaster risk is rated 7.7/10 (High) by FEMA's National Risk Index. Volcanic hazard exposure defines the local risk environment, driven by proximity to one of the most active volcanic systems in the United States. Secondary hazards include earthquake and avalanche.

Relative to other U.S. communities, Wilsonville's natural disaster risk is well above the U.S. national average of 4.5/10, considerably above the 5.7/10 state average. The hazard distribution here is led by volcano and earthquake, as measured by FEMA across Clackamas County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

Wilsonville's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.