Somerton, AZ's night sky, measured from orbit
Satellite radiance puts Somerton in the rural band. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. That's brighter than 8.2% 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 Somerton is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Buckeye, AZ, roughly 132 miles away in a straight line, rated dark sky. Road distance will be more.
Buckeye, AZ is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Somerton compares nationally
Somerton, AZ has a population of about 14,902, one of 3,206 US cities of 10,000 or more residents in this dataset. Somerton places 261 of 3,206 cities in this dataset's darkest-to-brightest order.