Sanford, NC: how dark is the sky here?
Satellite radiance puts Sanford 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. Sanford's sky is brighter than 13.8% 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 Sanford
Spring Lake, NC, about 24 miles away as the crow flies, measures in the rural band, one step darker than Sanford. Actual driving distance will run longer than that straight-line figure.
Spring Lake, NC is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Sanford compares nationally
About 32,971 people live in Sanford, NC, sized enough to appear in this dataset of 3,206 incorporated US cities. Sanford places 442 of 3,206 cities in this dataset's darkest-to-brightest order.