Demarest, NJ Noise Levels
Demarest, NJ: what the federal noise map shows
At Demarest, NJ, road, rail and aircraft noise all fall below the 45 dB(A) floor BTS's national map can distinguish from silence. Demarest's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
Where Demarest ranks
Demarest, NJ sits among 8,515 US places this dataset covers with no measurable transportation noise, out of 12,137 places checked overall. Population is about 4,941, 4,917th largest of the 12,137 places covered here.
Your street may differ from Demarest's reading
For a single house or lot in Demarest 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 Demarest's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Demarest.