Blythewood, SC Noise Levels
Blythewood, SC: what the federal noise map shows
At Blythewood, SC, 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 Blythewood, not a street-by-street survey of the whole place.
Where Blythewood ranks
Blythewood is one of 8,515 places in this dataset with no measurable transportation noise at all, too quiet to rank on loudness. By population, it ranks 4,141 of the 12,137 places in this dataset, home to about 6,733 people.
Your street may differ from Blythewood's reading
For a single house or lot in Blythewood 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 Blythewood's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Blythewood.