Cumberland, MD's night sky, measured from orbit
Cumberland's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Cumberland's sky is brighter than 80.1% of the 3,206 cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.
The nearest darker sky to Cumberland
45 miles from Cumberland, straight-line, sits Winchester, VA, the nearest city here with a darker sky than Cumberland's own suburban band.
Winchester, VA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Cumberland compares nationally
Cumberland, MD has a population of about 18,643, one of 3,206 US cities of 10,000 or more residents in this dataset. Cumberland places 2,555 of 3,206 cities in this dataset's darkest-to-brightest order.