Marengo, IA Noise Levels
Is Marengo, IA noisy?
Whatever transportation noise reaches Marengo, IA, BTS's model puts it under the 45 dB(A) point where the map stops resolving detail.
That figure is sampled at one coordinate, the Census Bureau's own internal point for Marengo, not a street-by-street survey of the whole place.
Where Marengo ranks
Marengo 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 7,003 of the 12,137 places in this dataset, home to about 2,415 people.
Your street may differ from Marengo's reading
This page describes Marengo as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Marengo's reading
The methodology guide shows exactly how Marengo's reading was built from BTS's tile data. Marengo isn't the only surprise: the guide to why big cities show up quiet covers why this happens.