Neptune City, NJ Noise Levels
Neptune City, NJ: what the federal noise map shows
Neptune City, NJ 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 figure is sampled at one coordinate, the Census Bureau's own internal point for Neptune City, not a street-by-street survey of the whole place.
Where Neptune City ranks
Neptune City 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 5,117 of the 12,137 places in this dataset, home to about 4,599 people.
Your street may differ from Neptune City's reading
For a single house or lot in Neptune City 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 Neptune City's figure, see the methodology guide. The guide to reading a quiet result explains what "no measurable noise" actually means at Neptune City.