Middletown, CT: how dark is the sky here?
Satellite radiance puts Middletown in the suburban edge band. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. That's brighter than 43.7% 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 Middletown is from a meaningfully darker sky
30 miles from Middletown, straight-line, sits Shelton, CT, the nearest city here with a darker sky than Middletown's own suburban edge band.
Shelton, CT is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Middletown compares nationally
About 48,616 people live in Middletown, CT, sized enough to appear in this dataset of 3,206 incorporated US cities. Middletown places 1,393 of 3,206 cities in this dataset's darkest-to-brightest order.