Sumner, WA Noise Levels
How loud is Sumner, WA?
At 47.5 dB(A), Sumner, WA falls inside HUD's "Acceptable" noise zone, 65 dB(A) day-night average or below under 24 CFR 51.104, the federal government's own line for building housing with no extra sound attenuation required. That's the reading at Sumner's Census-defined center point, not any one street, BTS's map is a live raster, not a per-address service.
Where Sumner's noise comes from
BTS models these three sources separately before combining them, so a place can be quiet on two and loud on the third.
How Sumner compares nationally
Sumner ranks 2,300 of 3,622 measured places nationally, 1 being the loudest this dataset covers. By population, it ranks 3,010 of the 12,137 places in this dataset, home to about 10,885 people.
Checking one address in Sumner
Nothing here substitutes for checking one address in Sumner directly, and BTS's own map lets anyone do that at no cost.
Sumner's number isn't a one-off calculation, it comes from the same method covered in the methodology guide. See the why New York City shows up quiet here too for why a real place can show no reading at all.