Sparta, WI Noise Levels
Sparta, WI: what the federal noise map shows
At Sparta, WI, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. That figure is sampled at one coordinate, the Census Bureau's own internal point for Sparta, not a street-by-street survey of the whole place.
Where Sparta ranks
There's no loudness rank for Sparta: it's one of 8,515 places nationally where BTS's model measures nothing above its 45 dB(A) floor. About 9,963 people live there, making it the 3,220th largest place in this dataset.
Your street may differ from Sparta's reading
For a single house or lot in Sparta 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 Sparta's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Sparta.