St. Marys, PA Noise Levels
St. Marys, PA: what the federal noise map shows
At St. Marys, PA, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. St. Marys's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where St. Marys ranks
There's no loudness rank for St. Marys: it's one of 8,515 places nationally where BTS's model measures nothing above its 45 dB(A) floor. About 12,361 people live there, making it the 2,756th largest place in this dataset.
Your street may differ from St. Marys's reading
For a single house or lot in St. Marys 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 St. Marys's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at St. Marys.