Norfolk, NE: how dark is the sky here?
Norfolk reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 63.4% of the 3,206 cities measured here read darker than Norfolk.
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.
The nearest darker sky to Norfolk
116 miles from Norfolk, straight-line, sits Brandon, SD, the nearest city here with a darker sky than Norfolk's own suburban band.
Brandon, SD is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Norfolk compares nationally
Norfolk, NE has a population of about 26,162, one of 3,206 US cities of 10,000 or more residents in this dataset. Norfolk places 2,023 of 3,206 cities in this dataset's darkest-to-brightest order.