Fox Lake, IL: how dark is the sky here?
Fox Lake reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Only 8.2% of the 3,206 cities measured here read darker than Fox Lake.
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.
The nearest darker sky to Fox Lake
Caledonia, WI, about 30 miles away as the crow flies, measures in the dark sky band, one step darker than Fox Lake. 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.
How Fox Lake compares nationally
About 10,925 people live in Fox Lake, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Fox Lake places 262 of 3,206 cities in this dataset's darkest-to-brightest order.