Portland, TX Noise Levels
Noise levels in Portland, TX
BTS's federal noise model shows no measurable road, rail or aircraft noise at Portland, TX, below the 45 dB(A) floor it can even resolve. Portland's reading comes from a single sampled point, not a block-by-block sweep, so a specific address here could genuinely differ.
How Portland compares nationally
There's no loudness rank for Portland: it's one of 8,515 places nationally where BTS's model measures nothing above its 45 dB(A) floor. About 20,725 people live there, making it the 1,866th largest place in this dataset.
Checking one address in Portland
Portland's figure above is a town-wide reading. For one exact address, BTS's own map is the free, authoritative source.
Where Portland's figures come from
Every dB(A) figure on this page traces to a named BTS dataset, documented in the methodology guide. Curious why Portland reads as quiet? The explanation of what a quiet result actually means covers it.