Overlook of a portion of the Rock Creek subdivision in Superior, Colorado – Pleiades Two, CC BY-SA 3.0 – Wikimedia Commons Superior is located in Colorado. About 13,094 people live here (as of 2020). Between 2010 and 2020, the population grew from 12,483 to 13,094. The region is at 1675 meters above sea level. The area covers about 10.4 square kilometers. There are about 734 streets in Superior. The region was founded in 1896. Superior is town in Boulder and Jefferson counties in the U.S. state of Colorado. Among other things, Superior has public Transport, restaurants, cafés and clothing Stores. More information at www.townofsuperior.com.