Otsego, MN: how dark is the sky here?

Otsego reads as dark sky on this dataset's scale. Among the darkest skies of any US city in this dataset. The Milky Way should be visible overhead on clear, moonless nights. Only 1.9% of the 3,206 cities measured here read darker than Otsego.

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.

Otsego is already about as dark as this dataset gets

Nothing in this dataset's 3,206 US cities measures a darker sky than Otsego. That doesn't mean nowhere is darker, unincorporated land and wilderness aren't part of this dataset at all, only incorporated cities of 10,000 people or more.

How Otsego compares nationally

Otsego, MN counts roughly 23,875 residents, among the 3,206 US cities this site tracks. Otsego places 60 of 3,206 cities in this dataset's darkest-to-brightest order.