Burr Ridge, IL: how dark is the sky here?
Burr Ridge reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Burr Ridge's sky is brighter than 53.7% of the 3,206 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 Burr Ridge
The closest place in this dataset with a meaningfully darker sky is Darien, IL, roughly 3 miles away in a straight line, rated suburban edge. Road distance will be more.
Darien, IL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Burr Ridge compares nationally
About 11,202 people live in Burr Ridge, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Burr Ridge places 1,713 of 3,206 cities in this dataset's darkest-to-brightest order.