Manville, NJ: how dark is the sky here?

Satellite radiance puts Manville in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Manville's sky is brighter than 60% of the 3,206 cities in this dataset.

This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.

How far Manville is from a meaningfully darker sky

13 miles from Manville, straight-line, sits Princeton, NJ, the nearest city here with a darker sky than Manville's own suburban band.

Princeton, NJ is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

How Manville compares nationally

About 11,031 people live in Manville, NJ, sized enough to appear in this dataset of 3,206 incorporated US cities. Manville places 1,913 of 3,206 cities in this dataset's darkest-to-brightest order.