Hillsboro, OH Noise Levels
Hillsboro, OH: what the federal noise map shows
Hillsboro, OH is one of the places where the federal model has nothing to report above its 45 dB(A) floor, on any of the three sources.
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
There's no loudness rank for Hillsboro: it's one of 8,515 places nationally where BTS's model measures nothing above its 45 dB(A) floor. Population is about 6,599, 4,183th largest of the 12,137 places covered here.
Your street may differ from Hillsboro's reading
For a single house or lot in Hillsboro 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 Hillsboro's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Hillsboro.