Knoxville, IA Noise Levels
Noise levels in Knoxville, IA
BTS's federal noise model shows no measurable road, rail or aircraft noise at Knoxville, IA, below the 45 dB(A) floor it can even resolve. That figure is sampled at one coordinate, the Census Bureau's own internal point for Knoxville, not a street-by-street survey of the whole place.
How Knoxville compares nationally
Knoxville is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. About 7,440 people live there, making it the 3,901th largest place in this dataset.
Checking one address in Knoxville
Knoxville's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Knoxville's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. Curious why Knoxville reads as quiet? The explanation of what a quiet result actually means covers it.