Springboro, OH: how dark is the sky here?
Springboro'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 59.2% of the 3,206 US cities in this dataset.
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.
Where to go for a darker sky near Springboro
3 miles from Springboro, straight-line, sits Franklin, OH, the nearest city here with a darker sky than Springboro's own suburban band.
Franklin, 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 Springboro compares nationally
About 19,646 people live in Springboro, OH, sized enough to appear in this dataset of 3,206 incorporated US cities. Springboro places 1,889 of 3,206 cities in this dataset's darkest-to-brightest order.