Hillsboro, IL Noise Levels
Is Hillsboro, IL noisy?
Hillsboro, IL sits below the 45 dB(A) floor BTS's transportation noise model measures at all, road, rail and aircraft alike. That's the reading at Hillsboro's Census-defined center point, not any one street, BTS's map is a live raster, not a per-address service.
Where Hillsboro ranks
Hillsboro 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 4,505 of the 12,137 places in this dataset, home to about 5,761 people.
Your street may differ from Hillsboro's reading
This page describes Hillsboro as a whole. If one specific address is what matters, BTS publishes the same underlying map for free.
Behind Hillsboro's reading
The methodology guide shows exactly how Hillsboro's reading was built from BTS's tile data. Hillsboro isn't the only surprise: the guide to why big cities show up quiet covers why this happens.