Mount Zion, IL Noise Levels
Mount Zion, IL: what the federal noise map shows
At Mount Zion, IL, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. Mount Zion's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Mount Zion ranks
Mount Zion is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. About 5,897 people live there, making it the 4,446th largest place in this dataset.
Your street may differ from Mount Zion's reading
For a single house or lot in Mount Zion rather than the town-wide figure above, BTS's own map is the same free source, queried directly.
More on how this number was built
For exactly which federal dataset feeds Mount Zion's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Mount Zion.