Somersworth, NH
How exposed is Somersworth to wildfire?
USFS's Wildfire Risk to Communities model puts Somersworth at the 22nd national percentile for risk to structures, close to the middle of USFS's national wildfire-risk range — a score built from 4,285 actual buildings. (Source: USFS's Wildfire Risk to Communities methodology.)
Separately from the risk score above, Somersworth's burn probability — fire likelihood with no building count factored in — sits at the 20th percentile nationally.
What "at risk" means for the buildings here
4,285 buildings are counted in Somersworth, and 63.8% of them are Indirect exposure — ember-driven risk rather than the 36.2% in Direct exposure or the 0% rated Minimal.
Somersworth against the rest of the country
Compare Somersworth's two percentiles: 72nd within New Hampshire, only 22nd nationally — a gap of 50 points that marks it as unusually exposed for its own state. Among the 31,521 US communities USFS scores, Somersworth ranks 24,619 for wildfire risk (1 is highest) and 3,985 by building count (1 is largest). Within New Hampshire alone, it ranks 29 of 100 places by risk. See the full county-by-county picture for New Hampshire on its state page.
Somersworth and the insurance market
Somersworth's moderate rating (22nd percentile nationally) sits outside the range where wildfire risk alone reshapes an insurance market — still, a homeowner here loses nothing by comparing rates.
Hardening a home in Somersworth
Somersworth's 63.8% Indirect-exposure share points at embers, not flame contact, as the main pathway — ember-resistant vents and non-combustible roofing rank ahead of defensible space here. Detail in the home-hardening guide.
More on how this number was built
Every one of the two percentiles behind Somersworth's 24,619-place national rank traces to USFS's Wildfire Risk to Communities dataset — see the methodology guide. For more on what indirect exposure implies beyond Somersworth, see the exposure-zones guide.