What the night sky looks like over Antioch, IL
Satellite radiance puts Antioch in the rural band. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Antioch's sky is brighter than 11.1% of the 3,206 cities in this dataset.
The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.
The nearest darker sky to Antioch
Caledonia, WI, about 24 miles away as the crow flies, measures in the dark sky band, one step darker than Antioch. Actual driving distance will run longer than that straight-line figure.
Caledonia, WI is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Antioch against the rest of the dataset
Antioch, IL has a population of about 15,108, one of 3,206 US cities of 10,000 or more residents in this dataset. Among all 3,206 cities here, Antioch ranks 355 from darkest to brightest, 1 being the darkest measured.