Poplar Bluff, MO's night sky, measured from orbit
Satellite radiance puts Poplar Bluff in the urban band. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 90.9% of the 3,206 US cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.
How far Poplar Bluff is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Kennett, MO, roughly 41 miles away in a straight line, rated suburban. Road distance will be more.
Kennett, MO is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Poplar Bluff compares nationally
Poplar Bluff, MO has a population of about 16,177, one of 3,206 US cities of 10,000 or more residents in this dataset. Poplar Bluff places 2,899 of 3,206 cities in this dataset's darkest-to-brightest order.