Prairie du Rocher, IL
How exposed is Prairie du Rocher to wildfire?
USFS scores Prairie du Rocher at the 28th national percentile for wildfire risk to structures (close to the middle of USFS's national wildfire-risk range), a figure built from 386 real buildings rather than raw vegetation cover. (Source: USFS's Wildfire Risk to Communities methodology.)
Fire likelihood alone (USFS's burn-probability figure) ranks Prairie du Rocher at the 27th national percentile — 1 points below its risk-to-structures score, a gap driven by how much is actually built there.
Where Prairie du Rocher's buildings actually sit
386 buildings are counted in Prairie du Rocher, and 97.4% of them are Indirect exposure — ember-driven risk rather than the 2.6% in Direct exposure or the 0% rated Minimal.
Where Prairie du Rocher ranks
Prairie du Rocher's 77th-percentile standing inside Illinois outpaces its 28th national percentile — this is a hotter spot than most of its own state, even though the state as a whole runs cooler nationally. Among the 31,521 US communities USFS scores, Prairie du Rocher ranks 22,716 for wildfire risk (1 is highest) and 19,486 by building count (1 is largest). Within Illinois alone, it ranks 340 of 1,445 places by risk. See the full county-by-county picture for Illinois on its state page.
Shopping for coverage in Prairie du Rocher
Prairie du Rocher's moderate rating (28th percentile nationally) sits outside the range where wildfire risk alone reshapes an insurance market — still, a homeowner here loses nothing by comparing rates.
What would actually reduce this score
With ember exposure the dominant pattern in Prairie du Rocher (97.4% Indirect), vent screens and roofing material tend to matter more than lot clearing alone. The home-hardening guide covers both.
Where Prairie du Rocher's figures come from
Prairie du Rocher's 28th-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 Prairie du Rocher's dominant indirect exposure actually means, with real examples from across the dataset.