Unionville (Butler), PA
Unionville (Butler), PA's wildfire risk, in USFS's own numbers
Out of every US place USFS scores, Unionville (Butler) lands at the 37th percentile for wildfire risk to structures — close to the middle of USFS's national wildfire-risk range — a figure built from its 637 buildings, not the land around them. (Source: USFS's Wildfire Risk to Communities methodology.)
Fire likelihood alone (USFS's burn-probability figure) ranks Unionville (Butler) at the 37th national percentile — 1 points above its risk-to-structures score, a gap driven by how much is actually built there.
Unionville (Butler)'s building exposure, zone by zone
Direct exposure dominates in Unionville (Butler): 66.4% of its 637 buildings, versus 33.6% Indirect and 0% Minimal. Clearing space around a structure changes the outcome here more than any single building-material swap.
How Unionville (Butler) compares
Compare Unionville (Butler)'s two percentiles: 54th within Pennsylvania, only 37th nationally — a gap of 18 points that marks it as unusually exposed for its own state. Among the 31,521 US communities USFS scores, Unionville (Butler) ranks 19,961 for wildfire risk (1 is highest) and 15,387 by building count (1 is largest). Within Pennsylvania alone, it ranks 913 of 1,991 places by risk. See the full county-by-county picture for Pennsylvania on its state page.
Unionville (Butler) and the insurance market
Unionville (Butler)'s moderate rating (37th percentile nationally) sits outside the range where wildfire risk alone reshapes an insurance market — still, a homeowner here loses nothing by comparing rates.
Lowering exposure, not just insuring around it
Because Direct exposure dominates in Unionville (Butler) (66.4%), the highest-leverage fix is defensible space, not roofing or vents alone — covered in the home-hardening guide.
Where Unionville (Butler)'s figures come from
Unionville (Butler)'s 37th-percentile score and its burn-probability figure both come from the same USFS workbook, documented in the methodology guide. The exposure-zones guide covers what Unionville (Butler)'s dominant direct exposure actually means, with real examples from across the dataset.