Minneapolis, MN: how dark is the sky here?
Minneapolis reads as urban on this dataset's scale. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 97.4% 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.
How far Minneapolis is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Golden Valley, MN, roughly 5 miles away in a straight line, rated suburban. Road distance will be more.
Golden Valley, MN is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Minneapolis compares nationally
Minneapolis, MN has a population of about 428,579, one of 3,206 US cities of 10,000 or more residents in this dataset. Minneapolis places 3,105 of 3,206 cities in this dataset's darkest-to-brightest order.