Zanesville, OH's night sky, measured from orbit
Zanesville's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 50.2% of the 3,206 US 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.
How far Zanesville is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Coshocton, OH, roughly 23 miles away in a straight line, rated suburban edge. Road distance will be more.
Coshocton, OH is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Zanesville compares nationally
Zanesville, OH has a population of about 24,916, one of 3,206 US cities of 10,000 or more residents in this dataset. Zanesville places 1,602 of 3,206 cities in this dataset's darkest-to-brightest order.