Wilsonville, OR
How exposed is Wilsonville to wildfire?
Wilsonville sits at the 27th percentile nationally for wildfire risk to structures — close to the middle of USFS's national wildfire-risk range — per USFS's Wildfire Risk to Communities model, built from its 7,133 counted buildings, not vegetation cover alone. (Source: USFS's Wildfire Risk to Communities methodology.)
Separately from the risk score above, Wilsonville's burn probability — fire likelihood with no building count factored in — sits at the 30th percentile nationally.
What "at risk" means for the buildings here
7,133 buildings are counted in Wilsonville, and 81.1% of them are Indirect exposure — ember-driven risk rather than the 6.3% in Direct exposure or the 12.7% rated Minimal. At 7,133 buildings, this is a substantial built environment, so the shares below describe a real population of structures, not a handful of edge cases.
Wilsonville against the rest of the country
There's little gap between Wilsonville's 27th national percentile and its 24th percentile inside Oregon, which means the state comparison mostly confirms what the national score already shows. Among the 31,521 US communities USFS scores, Wilsonville ranks 23,077 for wildfire risk (1 is highest) and 2,405 by building count (1 is largest). Within Oregon alone, it ranks 321 of 420 places by risk. See the full county-by-county picture for Oregon on its state page.
Wilsonville and the insurance market
Wilsonville sits in Oregon, one of two states that legally require a wildfire-risk disclosure at sale. Sellers here disclose wildfire-hazard status before closing, the same number this page reports at the 27th national percentile. More on the disclosure law.
Lowering exposure, not just insuring around it
Because 81.1% of Wilsonville's buildings sit in the Indirect zone, sealing the ember pathway (vents, roofing, gutters) is the intervention this page's data actually supports — see the home-hardening guide.
Where Wilsonville's figures come from
The methodology guide shows exactly how USFS turned 7,133 counted buildings into the percentiles shown above for Wilsonville. The exposure-zones guide covers what Wilsonville's dominant indirect exposure actually means, with real examples from across the dataset.