Sumter, SC: how dark is the sky here?

Sumter's sky measures rural here. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Sumter's sky is brighter than 8.9% of the 3,206 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.

The nearest darker sky to Sumter

The closest place in this dataset with a meaningfully darker sky is Port Royal, SC, roughly 111 miles away in a straight line, rated dark sky. Road distance will be more.

Port Royal, SC is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

How Sumter compares nationally

Sumter, SC has a population of about 42,958, one of 3,206 US cities of 10,000 or more residents in this dataset. Sumter places 284 of 3,206 cities in this dataset's darkest-to-brightest order.